File:Patent-US-2080372.pdf
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Dettagli
| Inventor |
Konrad Kressel |
|---|---|
| Assignee |
Montblanc-Simplo G.m.b.H. |
| Country |
US |
| Application N° |
20572 |
| Application Date |
1935-05-09 |
| Patent N° |
2080372 |
| Brevettato |
1937-05-11 |
| Priorità |
1934-05-14 |
| Brand | |
| Title |
Tip for propelling pencils |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Priorità dal brevetto tedesco.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:09, 12 August 2012 |  | 1,159 × 1,704, 4 pages (194 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Konrad Kressel |Assignee=Mont Blanc-Simplo G.m.b.H. |Country=US |ApplicationNum=20572 |ApplicationDate=1935-05-09 |PatentNum=2080372 |PatentDate=1937-05-11 |PriorityDate=1934-05-14 |Titolo=Tip for propelling pencils |Marca=Mont... |
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