File:Patent-US-1351575.pdf

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Original file(1,159 × 1,704 pixels, file size: 259 KB, MIME type: application/pdf, 4 pages)
Inventor

Charles R. Keeran

Assignee

The Wahl Company

Country

US

Application N°

174040

Application Date

1917-06-11

Patent N°

1351575

Brevettato

1920-08-31

Priorità

1917-06-11

Brand

Eversharp

Title

Fountain-pen

Description

Caricamento tipo stantuffo tuffante

Riferimenti esterni

Informazioni

Brevetto per un caricamento a depressione e sfiatatoio con caratteristiche simili allo stantuffo tuffante.

File history

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Date/TimeThumbnailDimensionsUserComment
current22:54, 23 July 2012Thumbnail for version as of 22:54, 23 July 20121,159 × 1,704, 4 pages (259 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Charles R. Keeran |Assignee=The Wahl Company |Country=US |ApplicationNum=174040 |ApplicationDate=1917-06-11 |PatentNum=1351575 |PatentDate=1920-08-31 |PriorityDate=1917-06-11 |Titolo=Fountain-pen |Marca=Eversharp |Descrizione=Car...
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