File:Patent-US-1385187.pdf
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Dettagli
Inventor |
Philip W. Olson |
---|---|
Assignee |
W. A. Sheaffer Pen Company |
Country |
US |
Application N° |
345113 |
Application Date |
1919-12-15 |
Patent N° |
1385187 |
Brevettato |
1921-07-19 |
Priorità |
1919-12-15 |
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 | 02:18, 14 July 2012 | ![]() | 1,159 × 1,704, 3 pages (106 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Philip W. Olson |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=345113 |ApplicationDate=1919-12-15 |PatentNum=1385187 |PatentDate=1921-07-19 |PriorityDate=1919-12-15 |Titolo=Pencil |Marca=Sheaffer |Descrizione=Ma... |
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