File:Patent-US-2390541.pdf
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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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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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