File:Patent-US-651736.pdf

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Original file(1,159 × 1,704 pixels, file size: 350 KB, MIME type: application/pdf, 5 pages)
Inventor

Paul E. Wirt

Assignee

Paul E. Wirt

Country

US

Application N°

739298

Application Date

1899-12-05

Patent N°

651736

Brevettato

1900-06-12

Priorità

1899-12-05

Brand

Wirt

Title

Fountain-pen

Description

Penna a "doppio serbatoio"

Riferimenti esterni

Informazioni

Brevetto per una stilografica con sistema di suddivisione dell'inchiostro fra corpo e parte anteriore analogia al sistema a doppio serbatoio impiegato nelle Visconti odierne.

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current01:06, 8 July 2012Thumbnail for version as of 01:06, 8 July 20121,159 × 1,704, 5 pages (350 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Paul E. Wirt |Assignee=Paul E. Wirt |Country=US |ApplicationNum=739298 |ApplicationDate=1899-12-05 |PatentNum=651736 |PatentDate=1900-06-12 |PriorityDate=1899-12-05 |Titolo=Fountain-pen |Marca=Wirt |Descrizione=Penna a doppio ser...
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关于“Patent-US-651736.pdf”的事实
Application date1899年12月5日 (二) +
Application number739298 +
Assigned toPaul E. Wirt +
Invented byPaul E. Wirt +
Patent date1900年6月12日 (二) +
Patent descriptionPenna a "doppio serbatoio" +
Patent number651736 +
Patent titleFountain-pen +
Patented byWirt +
Patented inUS +
Priority date1899年12月5日 (二) +