File:Patent-US-1833244.pdf
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Dettagli
| Inventor |
Wilhelm Dziabor |
|---|---|
| Assignee |
Simplo Füllfeder Gesellshaft Voss, Lausen & Dziabor |
| Country |
US |
| Application N° |
431936 |
| Application Date |
1930-02-27 |
| Patent N° |
1833244 |
| Brevettato |
1931-11-24 |
| Priorità |
1929-02-28 |
| Brand | |
| Title |
Magazine pencil |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Priorità dal brevetto tedesco, che riporta però la data del giorno successivo. Stessa invenzione di nº DE-481237. Stessa invenzione di nº FR-690093. Stessa invenzione di nº GB-336190.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:47, 12 August 2012 |  | 1,159 × 1,704, 2 pages (62 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Wilhelm Georg Hubert Dziabor |Assignee=Simplo Füllfeder Gesellshaft Voss, Lausen & Dziabor |Country=US |ApplicationNum=431936 |ApplicationDate=1930-02-27 |PatentNum=1381546 |PatentDate=1931-11-24 |PriorityDate=1929-02-28 |Titol... |
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