File:Patent-US-940247.pdf

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Original file(1,159 × 1,704 pixels, file size: 224 KB, MIME type: application/pdf, 5 pages)
Inventor

John C. Haring

Assignee

Edward Todd & Co.

Country

US

Application N°

448890

Application Date

1908-08-17

Patent N°

940247

Brevettato

1909-11-16

Priorità

1908-08-17

Brand

Swan

Title

Polypoint pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per la modalità di costruzione di una matita meccanica a mine multiple.

File history

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Date/TimeThumbnailDimensionsUserComment
current14:17, 27 December 2012Thumbnail for version as of 14:17, 27 December 20121,159 × 1,704, 5 pages (224 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John C. Haring |Assignee=Edward Todd & Co. |Country=US |ApplicationNum=448890 |ApplicationDate=1908-08-17 |PatentNum=940247 |PatentDate=1909-11-16 |PriorityDate=1908-08-17 |Titolo=Polypoint pencil |Marca=Swan |Descrizione=Matita ...
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Fatti riguardanti Patent-US-940247.pdf
Application dateagosto 17, 1908 +
Application number448890 +
Assigned toEdward Todd & Co. +
Invented byJohn C. Haring +
Patent datenovembre 16, 1909 +
Patent descriptionMatita meccanica +
Patent number940247 +
Patent titlePolypoint pencil +
Patented bySwan +
Patented inUS +
Priority dateagosto 17, 1908 +