File:Patent-US-1807415.pdf
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Original file (1,159 × 1,704 pixels, file size: 93 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
David J. La France |
|---|---|
| Assignee |
David J. La France |
| Country |
US |
| Application N° |
452643 |
| Application Date |
1930-03-15 |
| Patent N° |
1807415 |
| Brevettato |
1931-05-26 |
| Priorità |
1930-03-15 |
| Brand | |
| Title |
Fountain pen |
| Description |
Sezione con presa triangolare |
Riferimenti esterni
Informazioni
Brevetto per una sezione con sagomatura triangolare, per facilitare la presa.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:31, 25 June 2012 |  | 1,159 × 1,704, 3 pages (93 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=David J. La France |Assignee=David J. La France |Country=US |ApplicationNum=452643 |ApplicationDate=1930-03-15 |PatentNum=1807415 |PatentDate=1931-05-26 |PriorityDate=1930-03-15 |Titolo=Fountain pen |Marca=De Witt-La France |Desc... |
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