File:Patent-US-2454086.pdf
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Dettagli
| Inventor |
Robert W. Randolph |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
690971 |
| Application Date |
1946-08-16 |
| Patent N° |
2454086 |
| Brevettato |
1948-11-16 |
| Priorità |
1946-08-16 |
| Brand | |
| Title |
Ball-point writing instrument |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera. Riferimenti a richiesta n° 610423 del 1945-08-13.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:06, 6 August 2012 |  | 1,159 × 1,704, 8 pages (589 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert W. Randolph |Assignee=The Parker Pen Company |Country=US |ApplicationNum=690971 |ApplicationDate=1946-08-16 |PatentNum=2454086 |PatentDate=1948-11-16 |PriorityDate=1946-08-16 |Titolo=Ball-point writing instrument |Marca=Pa... |
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