File:Patent-US-2390541.pdf
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Original file (1,159 × 1,704 pixels, file size: 342 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
Henry C. Klagges |
|---|---|
| Assignee |
The Esterbrook Steel Pen Manufacturing Co. |
| Country |
US |
| Application N° |
479305 |
| Application Date |
1943-03-16 |
| Patent N° |
2390541 |
| Brevettato |
1945-12-11 |
| Priorità |
1943-03-16 |
| Brand | |
| Title |
Writing implement |
| Description |
Pennino economico |
Riferimenti esterni
Informazioni
Brevetto per un pennino coperto costruito in maniera estremamente economica con fili o lastrine sottili di metallo piegate. Riferimenti a nº US-2292381.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:16, 13 July 2012 |  | 1,159 × 1,704, 5 pages (342 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Henry C. Klagges |Assignee=The Esterbrook Steel Pen Manufacturing Co. |Country=US |ApplicationNum=479305 |ApplicationDate=1943-03-16 |PatentNum=2390541 |PatentDate=1945-12-11 |PriorityDate=1943-03-16 |Titolo=Writing implement |Ma... |
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