File:Patent-US-1872151.pdf
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Dettagli
| Inventor |
William H. Lindemon |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
537595 |
| Application Date |
1931-05-15 |
| Patent N° |
1872151 |
| Brevettato |
1932-08-16 |
| Priorità |
1931-05-15 |
| Brand | |
| Title |
Tip for mechanical pencils |
| Description |
Puntale matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per un puntale da matita meccanica.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:02, 14 July 2012 |  | 1,159 × 1,704, 5 pages (289 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William H. Lindemon |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=537595 |ApplicationDate=1931-05-15 |PatentNum=1872151 |PatentDate=1932-08-16 |PriorityDate=1931-05-15 |Titolo=Tip for mechanical pencils |Marca=... |
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