File:Patent-US-2428854.pdf
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Dettagli
| Inventor |
Robert W. Randolph |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
619518 |
| Application Date |
1945-10-01 |
| Patent N° |
2428854 |
| Brevettato |
1947-10-14 |
| Priorità |
1945-10-01 |
| Brand | |
| Title |
Writing instrument |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera. Riferimenti a nº US-2398548 e nº US-378897, ed inoltre nº GB-189002017.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:52, 6 August 2012 |  | 1,159 × 1,704, 7 pages (434 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert W. Randolph |Assignee=The Parker Pen Company |Country=US |ApplicationNum=619518 |ApplicationDate=1945-10-01 |PatentNum=2428854 |PatentDate=1947-10-14 |PriorityDate=1945-10-01 |Titolo=Writing instrument |Marca=Parker |Descr... |
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