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File:Patent-US-RE19530.pdf

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Original file(1,159 × 1,704 pixels, file size: 314 KB, MIME type: application/pdf, 5 pages)
Inventor

Walter A. Sheaffer

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

2976

Application Date

1935-01-22

Patent N°

RE19530

Brevettato

1935-04-09

Priorità

1935-01-22

Brand

Sheaffer

Title

Fountain pen

Description

Caricamento Vacuum-Fil

Riferimenti esterni

Informazioni

Brevetto per la versione di caricamento a siringa rovesciata denominata dall'azienda Vacuum-Fil. Riemissione del brevetto US-1983682.

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current22:44, 5 March 2013Thumbnail for version as of 22:44, 5 March 20131,159 × 1,704, 5 pages (314 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Walter A. Sheaffer |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=2976 |ApplicationDate=1935-01-22 |PatentNum=RE19530 |PatentDate=1935-04-09 |PriorityDate=1935-01-22 |Titolo=Fountain pen |Marca=Sheaffer |Descriz...
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