File:Patent-US-2413904.pdf
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Dettagli
| Inventor |
Jozsef Laszlo Biro |
|---|---|
| Assignee |
Eterpen S. A. |
| Country |
US |
| Application N° |
491207 |
| Application Date |
1943-06-17 |
| Patent N° |
2413904 |
| Brevettato |
1947-01-07 |
| Priorità |
1943-04-17 |
| Brand | |
| Title |
Writing instrument |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:53, 29 July 2012 |  | 1,159 × 1,704, 3 pages (143 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Jozsef Laszlo Biro |Assignee=Eterpen S. A. |Country=US |ApplicationNum=491207 |ApplicationDate=1943-06-17 |PatentNum=2413904 |PatentDate=1947-01-07 |PriorityDate=1943-04-17 |Titolo=Writing instrument |Marca=Eterpen |Descrizione=P... |
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