File:Patent-US-2580753.pdf
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Dettagli
| Inventor |
Herman C. Frentzel |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
627996 |
| Application Date |
1945-11-13 |
| Patent N° |
2580753 |
| Brevettato |
1952-01-01 |
| Priorità |
1945-11-13 |
| Brand | |
| Title |
Ball point fountain pen |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera. Riferimenti a nº US-365747, nº US-378897, nº US-1583718, nº US-1585843, nº US-2398548 e nº US-2400679.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:06, 11 August 2013 |  | 1,159 × 1,704, 5 pages (305 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Herman C. Frentzel |Assignee=The Parker Pen Company |Country=US |ApplicationNum=627996 |ApplicationDate=1945-11-13 |PatentNum=2580753 |PatentDate=1952-01-01 |PriorityDate=1945-11-13 |Titolo=Ball point fountain pen |Marca=Parker |... |
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