File:Patent-US-1852094.pdf
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Original file (1,159 × 1,704 pixels, file size: 272 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
Herman K. Stempel |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
489721 |
| Application Date |
1930-10-20 |
| Patent N° |
1852094 |
| Brevettato |
1932-04-05 |
| Priorità |
1930-10-20 |
| Brand | |
| Title |
Fountain pen pressure bar |
| Description |
Riferimenti esterni
Informazioni
Brevetto per una variante di caricamento a levetta, in particolare per la barra di pressione.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:51, 14 July 2012 |  | 1,159 × 1,704, 4 pages (272 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Herman K. Stempel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=489721 |ApplicationDate=1930-10-20 |PatentNum=1852094 |PatentDate=1932-04-05 |PriorityDate=1930-10-20 |Titolo=Fountain pen pressure bar |Marca=She... |
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