Prova

Patented in	Patent number	Priority date	Patent date	Invented by	Patent description
FR	Poenaru	1827-04-26	1827-05-25	Pierre Poyenar	Proto-stilografica
US	11762	1854-10-03	1854-10-03	John Mabie	Portamine e cannuccia
US	19613	1858-03-09	1858-03-09	Lucien E. Hicks	Calamaio
US	38863	1863-06-09	1863-06-09	Lucien E. Hicks	Calamaio
US	49878	1865-09-12	1865-09-12	William S. Hicks	Portamine e cannuccia
US	61156	1867-01-16	1867-01-16	Robert Macintyre Cameron Duncan Cameron	Pennino da intinzione
US	087661	1869-03-09	1869-03-09	Henry S. Goodspeed	Serbatoio per pennino da intinzione
US	109257	1870-11-15	1870-11-15	Fridolin Schifferle	Protostilografica
US	112917	1871-03-21	1871-03-21	William S. Hicks	Portamine telescopico
US	118367	1871-08-22	1871-08-22	John A. Holland	Cannuccia
US	120520	1871-10-31	1871-10-31	William S. Hicks	Portamine telescopico e cannuccia
US	122047	1871-12-19	1871-12-19	Joseph Monaghan Thomas Flynn	Matita meccanica e cannuccia
US	122169	1871-12-26	1871-12-26	William S. Hicks	Portamine telescopico e cannuccia
US	132008	1872-10-08	1872-10-08	John A. Holland	Lega per i pennini
US	135118	1873-01-21	1873-01-21	John A. Holland	Punta per cannuccia
US	148999	1873-12-09	1874-03-24	Adolphe Teysonnière	Calamai
US	159513	1874-11-21	1875-02-09	John A. Holland	Portamine
US	174965	1875-06-18	1876-03-21	Duncan Mackinnon	Penna a stilo
US	180715	1876-04-22	1876-08-08	John A. Holland	Custodia matita meccanica
US	189304	1876-06-12	1877-04-10	Alonzo T. Cross	Penna a stilo
US	194158	1877-07-02	1877-08-14	George W. Mabie	Cannuccia
US	199621	1877-12-03	1878-01-29	Alonzo T. Cross	Penna a stilo
US	202655	1878-03-23	1878-04-23	John A. Holland	Penna a stilo
US	202654	1878-03-23	1878-04-23	John A. Holland	Portamine
US	206200	1878-06-20	1878-07-23	William W. Stewart	Proto-stilografica
US	D010872	1878-08-23	1878-10-22	Charles W. Gessner	Portamine telescopico
US	211575	1878-11-18	1879-01-21	John A. Holland	Penna a stilo
US	D010984	1878-11-02	1879-01-21	James C. Aikin	Involucro per fusto
US	214795	1879-02-06	1879-04-29	William W. Stewart	Proto-stilografica
US	217888	1879-03-07	1879-07-29	Duncan Mackinnon	Penna a stilo
US	D011457	1879-09-08	1879-10-07	James C. Aikin	Custodia portamine
US	222959	1879-06-11	1879-12-23	William W. Stewart	Proto-stilografica
US	D011737	1879-12-19	1880-04-13	James C. Aikin	Involucro per fusto
US	D011806	1879-12-26	1880-06-08	James C. Aikin	Involucro per matita
US	237139	1880-09-13	1881-02-01	William W. Stewart	Proto-stilografica
US	237454	1880-06-08	1881-02-08	William W. Stewart	Proto-stilografica
US	241216	1880-10-04	1881-05-10	John A. Holland	Processo per fusioni di iridio
US	RE9890	1877-04-10	1881-10-11	Alonzo T. Cross	Penna a stilo
US	253953	1881-03-30	1882-02-21	William W. Stewart	Proto-stilografica
US	254175	1881-03-16	1882-02-28	William W. Stewart	Proto-stilografica
US	255205	1881-08-30	1882-03-21	Marvin C. Stone	Proto-stilografica
US	258299	1878-11-07	1882-05-23	John A. Holland	Penna a stilo
US	258298	1882-02-27	1882-05-23	John A. Holland	Custodia matita meccanica
US	263392	1882-04-08	1882-08-29	Alonzo T. Cross	Matita meccanica
US	264854	1882-04-17	1882-09-26	Francis C. Brown	Penna a stilo
US	269290	1881-12-14	1882-12-19	John A. Holland	Pennino
US	275912	1881-10-11	1883-04-17	John A. Holland	Penna a stilo
US	279388	1882-10-03	1883-06-12	John A. Holland	Custodia matita meccanica
US	285895	1882-10-03	1883-10-02	John A. Holland	Processo per leghe di iridio
US	288290	1883-03-12	1883-11-13	Paul E. Wirt	Penna a pennino sdoppiabile
US	292313	1882-03-18	1884-01-22	John A. Holland	Meccanismo portamine
US	293545	1883-09-19	1884-02-12	Lewis E. Waterman	Stilografica e alimentatore
US	295395	1883-01-26	1884-03-18	Hezekiah Hewitt	Pennino da intinzione
US	297420	1882-02-17	1884-04-22	Henry C. Klagges	Proto stilografica
US	298582	1883-04-16	1884-05-13	John A. Holland	Proto-stilografica
US	298767	1883-04-11	1884-05-20	James Morton	Proto-stilografica
US	307735	1883-06-20	1884-11-04	Lewis E. Waterman	Stilografica e alimentatore
US	311554	1884-06-26	1885-02-03	Paul E. Wirt	Alimentatore overfeed
US	314547	1884-06-30	1885-03-24	William W. Stewart	Alimentatore
US	324393	1885-04-27	1885-08-18	Rhodes G. Lockwood	Calamaio
US	330358	1885-03-02	1885-11-10	Paul E. Wirt	Alimentatore overfeed
US	333104	1885-08-06	1885-12-29	Edward A. Brandeburg	Serbatoio per pennino da intinzione
US	356996	1886-10-14	1886-02-01	Frederick J. W. Fischer	Cannuccia a serbatoio
US	340865	1885-08-22	1886-04-27	Dewitt C. Demarest	Proto-stilografica
US	345411	1886-03-18	1886-07-13	Francis C. Brown	Alimentatore overfeed
US	351033	1886-08-23	1886-10-19	John A. Holland	Alimentatore e sezione
US	353053	1886-04-20	1886-11-23	Dewitt C. Demarest	Alimentatore
US	353399	1886-08-18	1886-11-30	Francis C. Brown David W. Beaumel	Alimentatore e sezione
US	354664	1886-01-22	1886-12-21	William W. Stewart	Proto-stilografica
US	358525	1886-07-28	1887-03-01	Paul E. Wirt	Alimentatore overfeed
US	361493	1886-11-06	1887-04-19	Dewitt C. Demarest	Alimentatore
US	374140	1887-04-15	1887-11-29	Francis C. Brown	Alimentatore
US	378987	1887-04-27	1888-03-06	William W. Stewart	Alimentatore
US	378986	1886-08-04	1888-03-06	William W. Stewart	Proto-stilografica
US	399306	1888-03-16	1889-03-12	Paul E. Wirt	Costruzione pennino
US	408000	1888-11-23	1889-06-30	Dewitt C. Demarest	Alimentatore
US	D019277	1889-07-10	1889-08-20	Edward Todd Jr.	Decorazione fusto
US	D019278	1889-07-10	1889-08-20	Edward Todd Jr.	Decorazione fusto
US	415838	1889-08-01	1889-11-26	John A. Holland	Stilografica
US	416944	1888-12-04	1889-12-12	George S. Parker	Sezione e alimentatore
US	422474	1889-09-27	1890-03-04	Otto E. Weidlich	Alimentatore superiore
US	423804	1889-09-28	1890-03-18	George S. Parker	Sezione e alimentatore
US	426813	1889-12-23	1890-04-20	John A. Holland	Proto-stilografica
US	426758	1890-01-09	1890-04-29	Claes W. Boman	Caricamento a cartuccia
US	426692	1889-09-20	1890-04-29	William W. Stewart	Alimentatore overfeed
US	428969	1889-04-29	1890-05-27	Norman C. Stiles	Sistema di caricamento
US	448360	1890-05-12	1891-03-17	John Oliphant	Caricamento a sacchetto di gomma
US	455023	1890-11-26	1891-06-30	George S. Parker	Alimentatore
US	466950	1891-08-31	1892-01-12	William Thomas Shaw	Il progetto della Pelican
US	474940	1891-06-08	1892-05-17	John S. Barnes	Custodia boccetta di inchiostro
US	478653	1890-12-15	1892-07-12	William W. Stewart	Sistema di alimentazione
US	480751	1890-01-20	1892-08-16	William W. Stewart	Alimentatore overfeed
US	485795	1892-02-29	1892-11-08	John A. Holland	Alimentatore
US	491795	1890-05-14	1893-02-14	David W. Beaumel	Alimentatore overfeed
US	510145	1893-07-24	1893-05-15	Woodruf Post	Caricamento a siringa
CH	6035	1892-12-02	1893-05-31		Pennino doppio
US	501895	1893-01-13	1893-07-18	Morris W. Moore	Caricamento non-leakable
US	507348	1893-07-14	1893-10-24	David W. Beaumel	Una penna a stilo
US	510439	1892-12-14	1893-12-12	George S. Parker	Alimentatore overfeed
US	512319	1893-11-01	1894-01-09	George S. Parker	Alimentatore Lucky Curve
US	542450	1894-03-23	1894-05-09	William W. Stewart	Sistema di caricamento
US	523234	1894-04-06	1894-07-17	Edward G. Peck Frederick O'Meara	Caricamento rientrante
US	525895	1894-01-25	1894-09-11	Eugene M. Gordon	Sistema di alimentazionie
US	526428	1894-01-17	1894-09-25	Paul E. Wirt	Cappuccio a tenuta
US	526425	1893-08-26	1894-09-25	Paul E. Wirt	Caricamento rientrante
US	526426	1893-12-04	1894-09-25	Paul E. Wirt	Caricamento rientrante
US	526427	1893-12-04	1894-09-25	Paul E. Wirt	Caricamento rientrante
US	533350	1893-06-14	1895-01-29	Walter F. Cushing	Alimentatore overfeed
US	533942	1894-05-21	1895-02-12	Francis C. Brown	Variante di non-leakable filler
US	549166	1895-04-11	1895-11-05	William W. Stewart	Sistema di alimentazione
US	551895	1895-04-01	1895-12-24	Henry Horton Edward G. Peck	Caricamento rientrante
US	556522	1895-10-14	1896-03-17	Otto E. Weidlich	Alimentatore
US	559034	1894-05-01	1896-04-28	James W. Laughlin	Blocco afflusso inchiostro
US	559422	1895-09-27	1896-05-05	Lewis E. Waterman	Alimentatore
US	564938	1896-03-09	1896-06-28	Amos J. Scritchfield	Alimentatore
US	567151	1894-03-07	1896-09-08	Morris W. Moore	Caricamento non-leakable
US	567152	1894-11-13	1896-09-08	Morris W. Moore	Caricamento non-leakable
US	578054	1896-12-24	1897-03-02	William I. Ferris	Caricamento pump filler
DE	92299	1895-12-29	1897-06-04		Penna a serbatoio
US	588709	1897-02-12	1897-08-24	William W. Stewart	Sistema alimentazione
US	588708	1896-09-17	1897-08-24	William W. Stewart	Sistema alimentazione
CH	13885	1897-01-15	1897-09-15	Eduard Reisert	Penna a serbatoio
US	592847	1897-01-06	1897-11-02	Arthur A. Waterman	Alimentatore
US	595373	1896-09-02	1897-12-14	Alonzo T. Cross	Proto-stilografica
US	599592	1897-12-09	1898-02-22	Claes W. Boman	Controllo alimentazione
US	599591	1897-10-11	1898-02-22	Claes W. Boman	Costruzione fusto
US	599590	1897-10-11	1898-02-22	Claes W. Boman	Costruzione fusto
US	599616	1897-08-20	1898-02-22	Eveline C. Lindley	Fermaglio da tasca per lapis
US	603463	1897-03-26	1898-05-03	David W. Beaumel	Alimentatore e sezione
DK	1592C	1897-04-26	1898-05-16	Eduard Reisert	Penna a serbatoio
US	604690	1895-08-12	1898-05-24	Lewis E. Waterman	Chiusura cappuccio
US	D028838	1898-04-29	1898-06-14	Le Roy C. Fairchild	Portamine telescopico
US	606231	1897-07-26	1898-06-28	George S. Parker	Alimentatore Lucky Curve
US	607398	1897-08-24	1898-07-12	Lewis E. Waterman	Alimentatore
US	607397	1897-08-24	1898-07-12	Lewis E. Waterman	Alimentatore
US	607399	1897-08-24	1898-07-12	Lewis E. Waterman	Alimentatore
US	607400	1897-09-22	1898-07-12	Lewis E. Waterman	Alimentatore overfeed
US	607401	1897-09-22	1898-07-12	Lewis E. Waterman	Alimentatore
DE	99102	1897-05-19	1898-09-03	Auguste Henri Garot	Tiralinee
US	610428	1898-06-30	1898-09-06	Claes W. Boman	Alimentatore
US	612013	1897-11-23	1898-10-11	Francis C. Brown	Caricamento rientrante
US	614630	1898-01-28	1898-11-22	William W. Stewart	Chiusura cappuccio
US	D029964	1898-08-11	1899-01-10	Theodore E. Smith	Pennino da intinzione
US	619701	1897-03-08	1899-02-14	Arthur A. Waterman	Alimentatore
US	619702	1897-05-26	1899-02-14	Arthur A. Waterman	Stilografica middle-joint
GB	189902000	1899-01-28	1899-03-18	Eduard Reisert	Penna a serbatoio
US	622256	1898-03-07	1899-04-04	George S. Parker	Giunzione jointless
US	625722	1898-08-24	1899-05-23	William I. Ferris	Alimentatore spoon feed
US	629519	1899-03-01	1899-07-25	Stephen J. Meyerpeter	Giunzione jointless
CH	282E	1899-02-13	1899-07-31	Eduard Reisert	Penna a serbatoio
US	630526	1899-03-21	1899-08-08	William W. Stewart	Sistema di caricamento
US	630527	1899-03-21	1899-08-08	William W. Stewart	Sistema di caricamento
US	631909	1898-04-16	1899-08-29	William W. Stewart	Sistema di caricamento
US	631824	1899-04-06	1899-08-29	Robert P. Robinson	Cappuccio per stilografica
US	632633	1899-06-27	1899-09-05	Claes W. Boman	Penna a serbatoio estraibile
US	632320	1899-03-10	1899-09-05	Edgar E. Nelthorpe George H. Williamson	Giunzione jointless
AT	179B	1897-04-20	1899-09-10	Eduard Reisert	Penna a serbatoio
US	633538	1897-05-03	1899-09-19	Arthur A. Waterman Frederick W. Stevens	Sistema di regolazione
US	634398	1899-08-04	1899-10-03	Dewitt C. Demarest	Alimentatore
US	634013	1899-03-13	1899-10-03	Oliver R. Mitchell	Chiusura cappuccio
US	634029	1897-01-26	1899-10-03	Eduard Reisert	Penna a serbatoio
US	635700	1899-06-30	1899-10-24	George S. Parker	Giunzione jointless
AT	398B	1899-01-28	1899-10-25	Eduard Reisert	Penna a serbatoio
US	638779	1899-08-16	1899-12-12	Arthur A. Waterman	Alimentatore
DK	2722C	1898-05-02	1899-12-18	Eduard Reisert	Penna a serbatoio
GB	189923550	1899-11-25	1900-01-06	Johannes Paul Steinbach Karl Hermann Strache	Penna a serbatoio
US	642151	1899-06-30	1900-01-30	George S. Parker	Giunzione jointless
US	646383	1897-02-23	1900-03-27	William I. Ferris	Caricamento pump filler
US	648839	1900-03-10	1900-05-01	Claes W. Boman	Alimentatore overfeed
US	651736	1899-12-05	1900-06-12	Paul E. Wirt	Penna a "doppio serbatoio"
US	651735	1899-10-19	1900-06-12	Paul E. Wirt	Alimentatore
US	651737	1900-01-31	1900-06-12	Paul E. Wirt	Penna a "doppio serbatoio"
US	651738	1900-02-06	1900-06-12	Paul E. Wirt	Penna a "doppio serbatoio"
US	653818	1900-04-09	1900-07-17	George S. Parker	Cappuccio a frizione
US	655423	1900-03-23	1900-08-07	Henry J. Upton	Costruzione cappuccio
US	657483	1896-09-02	1900-09-04	Alonzo T. Cross	Proto-stilografica
US	662796	1900-09-28	1900-11-27	Samuel Kraus	Anellino sul cappuccio
US	655736	1900-04-04	1901-01-26	Eduard Reisert	Penna a serbatoio
US	668759	1900-07-14	1901-02-26	William W. Stewart	Penna stilografica
US	668760	1900-12-13	1901-02-26	William W. Stewart	Penna stilografica
US	670088	1900-02-08	1901-03-19	Harry W. Stone	Sistema di alimentazione
AT	3719B	1900-04-09	1901-03-26	Eduard Reisert	Penna a serbatoio
US	673359	1900-09-12	1901-04-30	Franklin S. Cooley	Alimentatore overfeed
US	673451	1899-02-07	1901-05-07	Eduard Reisert	Penna a serbatoio
GB	190108860	1901-04-30	1901-06-01	William Wells Sanford	Alimentatore
US	675698	1900-09-01	1901-06-04	Paul E. Wirt	Alimentatore
US	675699	1900-09-01	1901-06-04	Paul E. Wirt	Blocco afflusso inchiostro
DE	121245	1900-07-10	1901-06-07	Eduard Reisert	Penna a serbatoio
US	677008	1900-10-26	1901-06-25	Walter W. Winton	Alimentatore
US	678547	1901-05-31	1901-07-16	Seth S. Crocker	Caricamento blow filler
US	680117	1901-05-11	1901-08-06	Claes W. Boman	Cappuccio a vite
US	679790	1901-03-05	1901-08-06	William W. Stewart	Alimentatore
GB	190023217	1900-12-19	1901-09-28	Eduard Reisert	Penna a serbatoio combinata
GB	190006677	1900-04-10	1901-09-28	Eduard Reisert	Penna a serbatoio
US	683763	1901-07-24	1901-10-01	John A. Holland	Cappuccio protettivo retrattile
US	685258	1901-07-12	1901-10-29	Roy Conklin	Crescent filler
US	686920	1901-06-04	1901-11-19	Joseph F. Betzler	Penna stilografica
US	692009	1898-05-16	1902-01-28	Frederick Gilbert	Cappuccio di sicurezza
US	691974	1901-04-26	1902-01-28	William W. Sanford	Alimentatore
US	697975	1901-04-23	1902-04-22	Francis C. Brown	Caricamento rientrante
… risultati successivi