File:Patent-US-RE19530.pdf
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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 | |
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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current | 22:44, 5 March 2013 | ![]() | 1,159 × 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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