File:Patent-US-2188662.pdf

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Original file(1,159 × 1,704 pixels, file size: 170 KB, MIME type: application/pdf, 3 pages)
Inventor

David J. La France

Assignee

David J. La France

Country

US

Application N°

222649

Application Date

1938-08-02

Patent N°

2188662

Brevettato

1940-01-30

Priorità

1938-08-02

Brand

De Witt-La France

Title

Fountain pen

Description

Caricamento a siringa rovesciata

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a siringa rovesciata.

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Date/TimeThumbnailDimensionsUserComment
current22:17, 25 June 2012Thumbnail for version as of 22:17, 25 June 20121,159 × 1,704, 3 pages (170 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David J. La France |Assignee=David J. La France |Country=US |ApplicationNum=222649 |ApplicationDate=1938-08-02 |PatentNum=2188662 |PatentDate=1940-01-30 |PriorityDate=1938-08-02 |Titolo=Fountain pen |Marca=De Witt-La France |Desc...
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