File:Patent-US-2286878.pdf
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Original file (1,159 × 1,704 pixels, file size: 203 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
Ivan D. Tefft, Marlin S. Baker |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
373914 |
| Application Date |
1941-01-10 |
| Patent N° |
2286878 |
| Brevettato |
1942-06-16 |
| Priorità |
1941-01-10 |
| Brand | |
| Title |
Adjustable eraser holder |
| Description |
Gomma matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per il montaggio della gomma da cancellare su una matita meccanica.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:04, 5 August 2012 |  | 1,159 × 1,704, 4 pages (203 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Ivan D. Tefft, Marlin S. Baker |Assignee=The Parker Pen Company |Country=US |ApplicationNum=373914 |ApplicationDate=1941-01-10 |PatentNum=2278907 |PatentDate=1942-06-16 |PriorityDate=1941-01-10 |Titolo=Adjustable eraser holder |M... |
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