File:Patent-US-2617387.pdf
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Original file (1,159 × 1,704 pixels, file size: 275 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
Max Knobel |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
722679 |
| Application Date |
1947-01-17 |
| Patent N° |
2617387 |
| Brevettato |
1952-11-11 |
| Priorità |
1947-01-17 |
| Brand | |
| Title |
Writing instrument |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per una penna a sfera.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:17, 17 July 2012 |  | 1,159 × 1,704, 5 pages (275 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Max Knobel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=722679 |ApplicationDate=1947-01-17 |PatentNum=2617387 |PatentDate=1952-11-11 |PriorityDate=1947-01-17 |Titolo=Writing instrument |Marca=Sheaffer |Descriz... |
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