File:Patent-US-RE19167.pdf
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Inventor |
Henry H. Polk Jr. |
---|---|
Assignee |
W. A. Sheaffer Pen Company |
Country |
US |
Application N° |
715255 |
Application Date |
1934-03-12 |
Patent N° |
RE19167 |
Brevettato |
1934-05-15 |
Priorità |
1934-03-12 |
Brand | |
Title |
Fountain pen |
Description |
Caricamento Vacuum-Fil |
Riferimenti esterni
Informazioni
Brevetto per la variante di caricamento a siringa rovesciata chiamato dall'azienda Vacuum-Fil. Riemissione del brevetto US-1926405.
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current | 22:39, 5 March 2013 | ![]() | 1,159 × 1,704, 3 pages (168 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Henry H. Polk Jr. |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=715255 |ApplicationDate=1934-03-12 |PatentNum=RE23683 |PatentDate=1934-05-15 |PriorityDate=1934-03-12 |Titolo=Fountain pen |Marca=Sheaffer |Descri... |
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