File:Patent-US-1435446.pdf

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Original file(1,159 × 1,704 pixels, file size: 471 KB, MIME type: application/pdf, 6 pages)
Inventor

David W. Beaumel

Assignee

David W. Beaumel

Country

US

Application N°

436966

Application Date

1921-01-13

Patent N°

1435446

Brevettato

1922-11-14

Priorità

1921-01-13

Brand

Beaumel

Title

Self-filling 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
current14:54, 12 October 2012Thumbnail for version as of 14:54, 12 October 20121,159 × 1,704, 6 pages (471 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David W. Beaumel |Assignee=David W. Beaumel |Country=US |ApplicationNum=436966 |ApplicationDate=1921-01-13 |PatentNum=1435446 |PatentDate=1922-11-14 |PriorityDate=1921-01-13 |Titolo=Self-filling fountain pen |Marca=Beaumel |Descr...
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