File:Patent-US-1472963.pdf

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Original file(1,159 × 1,704 pixels, file size: 167 KB, MIME type: application/pdf, 3 pages)
Inventor

William P. De Witt

Assignee

De Witt - La France Co.

Country

US

Application N°

527321

Application Date

1922-01-06

Patent N°

1472963

Brevettato

1923-11-06

Priorità

1922-01-06

Brand

De Witt-La France

Title

Lever-filler fountain pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta.

File history

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Date/TimeThumbnailDimensionsUserComment
current14:06, 25 June 2012Thumbnail for version as of 14:06, 25 June 20121,159 × 1,704, 3 pages (167 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William P. De Witt |Assignee=De Witt - La France Co. |Country=US |ApplicationNum=527321 |ApplicationDate=1922-01-06 |PatentNum=1472963 |PatentDate=1923-11-06 |PriorityDate=1922-01-06 |Titolo=Lever-filler fountain pen |Marca=De Wi...
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