File:Patent-US-1508795.pdf
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Dettagli
| Inventor |
Clifford N. Johnson |
|---|---|
| Assignee |
The Conklin Pen Manufacturing Company |
| Country |
US |
| Application N° |
518193 |
| Application Date |
1921-11-28 |
| Patent N° |
1508795 |
| Brevettato |
1924-09-16 |
| Priorità |
1921-11-28 |
| Brand | |
| Title |
Pencil |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Riferimento a nº US-1267575.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:08, 31 July 2012 |  | 1,159 × 1,704, 3 pages (169 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Clifford N. Johnson |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=518193 |ApplicationDate=1921-11-28 |PatentNum=1508795 |PatentDate=1924-09-16 |PriorityDate=1921-11-28 |Titolo=Pencil |Marca=Conklin |... |
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