File:Patent-US-2228250.pdf
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Dettagli
| Inventor |
Leon H. Ashmore |
|---|---|
| Assignee |
The Esterbrook Steel Pen Manfacturing Co. |
| Country |
US |
| Application N° |
38024 |
| Application Date |
1935-08-27 |
| Patent N° |
2228250 |
| Brevettato |
1941-01-14 |
| Priorità |
1935-08-27 |
| Brand | |
| Title |
Manufacture of writing pens |
| Description |
Pennino economico |
Riferimenti esterni
Informazioni
Brevetto per la produzione di un pennino economico. Riferimenti a n° US-2037699.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:27, 6 August 2012 |  | 1,159 × 1,704, 3 pages (133 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=38024 |ApplicationDate=1935-08-27 |PatentNum=2228250 |PatentDate=1941-01-14 |PriorityDate=1935-08-27 |Titolo=Manufacture of writing p... |
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