File:Patent-US-1999177.pdf
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Original file (1,159 × 1,704 pixels, file size: 425 KB, MIME type: application/pdf, 7 pages)
Dettagli
| Inventor |
Leon H. Ashmore |
|---|---|
| Assignee |
The Esterbrook Steel Pen Manfacturing Co. |
| Country |
US |
| Application N° |
654471 |
| Application Date |
1933-01-31 |
| Patent N° |
1999177 |
| Brevettato |
1935-04-30 |
| Priorità |
1933-01-31 |
| Brand | |
| Title |
Fountain pen |
| Description |
Pennino intercambiabile |
Riferimenti esterni
Informazioni
Brevetto per un pennino intercambiabile.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:54, 30 June 2012 |  | 1,159 × 1,704, 7 pages (425 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=654471 |ApplicationDate=1933-01-31 |PatentNum=1999177 |PatentDate=1935-04-30 |PriorityDate=1933-01-31 |Titolo=Fountain pen |Marca=Est... |
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