File:Patent-US-1902810.pdf

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Original file(1,159 × 1,704 pixels, file size: 262 KB, MIME type: application/pdf, 5 pages)
Inventor

Andreas Bienenstein

Assignee

The Conklin Pen Manufacturing Company

Country

US

Application N°

531567

Application Date

1931-04-20

Patent N°

1902810

Brevettato

1933-03-28

Priorità

1931-04-20

Brand

Conklin

Title

Plunger type pen

Description

Caricamento a stantuffo

Riferimenti esterni

Informazioni

Brevetto per un prototipo di caricamento a stantuffo.

File history

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Date/TimeThumbnailDimensionsUserComment
current14:06, 24 June 2012Thumbnail for version as of 14:06, 24 June 20121,159 × 1,704, 5 pages (262 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Andreas Bienenstein |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=531567 |ApplicationDate=1931-04-20 |PatentNum=1902810 |PatentDate=1933-03-28 |PriorityDate=1931-04-20 |Titolo=Plunger type pen |Marca...
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