File:Patent-US-2180560.pdf
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Original file (1,159 × 1,704 pixels, file size: 120 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Herman K. Stempel |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
250289 |
| Application Date |
1939-01-11 |
| Patent N° |
2180560 |
| Brevettato |
1939-11-21 |
| Priorità |
1939-01-11 |
| Brand | |
| Title |
Writing instrument |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per la lavorazione esterna dell'impugnatura di una matita meccanica.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:35, 15 July 2012 |  | 1,159 × 1,704, 3 pages (120 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Herman K. Stempel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=250289 |ApplicationDate=1939-01-11 |PatentNum=2180560 |PatentDate=1939-11-21 |PriorityDate=1939-01-11 |Titolo=Writing instrument |Marca=Sheaffer |... |
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