File:Patent-US-1983682.pdf
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Dettagli
| Inventor |
Walter A. Sheaffer |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
715063 |
| Application Date |
1934-03-12 |
| Patent N° |
1983682 |
| Brevettato |
1934-12-11 |
| Priorità |
1934-03-12 |
| 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. Riferimento a nº US-1926405.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:31, 14 July 2012 |  | 1,159 × 1,704, 5 pages (298 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Walter A. Sheaffer |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=715063 |ApplicationDate=1934-03-12 |PatentNum=1983682 |PatentDate=1934-12-11 |PriorityDate=1934-03-12 |Titolo=Fountain pen |Marca=Sheaffer |Descr... |
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