File:Patent-US-1902810.pdf
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Original file (1,159 × 1,704 pixels, file size: 262 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
Andreas Bienenstein |
|---|---|
| Assignee |
The Conklin Pen Manufacturing Company |
| Country |
US |
| Application N° |
531567 |
| Application Date |
1931-04-20 |
| Patent N° |
1902810 |
| Brevettato |
1933-03-28 |
| Priorità |
1931-04-20 |
| Brand | |
| Title |
Plunger type pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un prototipo di caricamento a stantuffo.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:06, 24 June 2012 |  | 1,159 × 1,704, 5 pages (262 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Andreas Bienenstein |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=531567 |ApplicationDate=1931-04-20 |PatentNum=1902810 |PatentDate=1933-03-28 |PriorityDate=1931-04-20 |Titolo=Plunger type pen |Marca... |
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