File:Patent-US-2274470.pdf
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Dettagli
Inventor |
Farnham F. Boyle, William H. Lindemon |
---|---|
Assignee |
W. A. Sheaffer Pen Company |
Country |
US |
Application N° |
380612 |
Application Date |
1939-12-22 |
Patent N° |
2274470 |
Brevettato |
1942-02-24 |
Priorità |
1941-02-26 |
Brand | |
Title |
Fountain pen |
Description |
Riferimenti esterni
Informazioni
Brevetto per il cappuccio in metallo della prima versione della Crest, con la sezione con la filettatura sulla parte estrema.
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current | 01:58, 15 July 2012 | ![]() | 1,159 × 1,704, 5 pages (343 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Farnham F. Boyle, William H. Lindemon |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=380612 |ApplicationDate=1939-12-22 |PatentNum=2241852 |PatentDate=1942-02-24 |PriorityDate=1941-02-26 |Titolo=Fountain pen |Ma... |
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