File:Patent-US-1902809.pdf

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Original file(1,159 × 1,704 pixels, file size: 256 KB, MIME type: application/pdf, 4 pages)
Inventor

Andreas Bienenstein

Assignee

The Conklin Pen Manufacturing Company

Country

US

Application N°

497939

Application Date

1930-11-24

Patent N°

1902809

Brevettato

1933-03-28

Priorità

1930-11-24

Brand

Conklin

Title

Plunger type pen

Description

Caricamento a stantuffo

Riferimenti esterni

Informazioni

Brevetto per uno prototipo di caricamento a stantuffo.

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Date/TimeThumbnailDimensionsUserComment
current14:03, 24 June 2012Thumbnail for version as of 14:03, 24 June 20121,159 × 1,704, 4 pages (256 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Andreas Bienenstein |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=497939 |ApplicationDate=1930-11-24 |PatentNum=1902809 |PatentDate=1933-03-28 |PriorityDate=1930-11-24 |Titolo=Plunger type pen |Marca...
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