File:Patent-US-1845293.pdf
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Dettagli
Inventor |
David J. La France |
---|---|
Assignee |
Carter's Ink Company |
Country |
US |
Application N° |
415427 |
Application Date |
1929-12-20 |
Patent N° |
1845293 |
Brevettato |
1932-02-16 |
Priorità |
1929-12-20 |
Brand | |
Title |
Pencil |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:11, 24 June 2012 | ![]() | 1,159 × 1,704, 5 pages (290 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=David J. La France |Assignee=Carter's Ink Company |Country=US |ApplicationNum=415427 |ApplicationDate=1929-12-20 |PatentNum=1845293 |PatentDate=1932-02-16 |PriorityDate=1929-12-20 |Titolo=Pencil |Marca=Carter |Descrizione=Matita ... |
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