File:Patent-US-2473690.pdf
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Dettagli
Inventor |
Wilbur K. Olson, Lynn P. Martin |
---|---|
Assignee |
W. A. Sheaffer Pen Company |
Country |
US |
Application N° |
575407 |
Application Date |
1945-01-31 |
Patent N° |
2473690 |
Brevettato |
1949-06-21 |
Priorità |
1945-01-31 |
Brand | |
Title |
Clip for writing instruments |
Description |
Fermaglio a molla |
Riferimenti esterni
Informazioni
Brevetto per un fermaglio a molla. Riferimento a nº US-1085174, nº US-1719895 e nº US-1863016.
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current | 16:49, 15 July 2012 | ![]() | 1,159 × 1,704, 4 pages (176 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Wilbur K. Olson, Lynn P. Martin |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=575407 |ApplicationDate=1945-01-31 |PatentNum=2473690 |PatentDate=1949-06-21 |PriorityDate=1945-01-31 |Titolo=Clip for writing instr... |
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