File:Patent-US-1490735.pdf

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Original file(1,159 × 1,704 pixels, file size: 284 KB, MIME type: application/pdf, 5 pages)
Inventor

William P. De Witt

Assignee

De Witt-La France Company

Country

US

Application N°

626963

Application Date

1923-03-22

Patent N°

1490735

Brevettato

1924-04-15

Priorità

1923-03-22

Brand

De Witt-La France

Title

Fountain pen, lever filler

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta. Riattribuito all'azienda con nota finale.

File history

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Date/TimeThumbnailDimensionsUserComment
current21:58, 25 June 2012Thumbnail for version as of 21:58, 25 June 20121,159 × 1,704, 5 pages (284 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William P. De Witt |Assignee=William P. De Witt |Country=US |ApplicationNum=626963 |ApplicationDate=1923-03-22 |PatentNum=1490735 |PatentDate=1924-04-15 |PriorityDate=1923-03-22 |Titolo=Fountain pen, lever filler |Marca=De Witt-L...
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