File:Patent-US-2274470.pdf
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Original file (1,159 × 1,704 pixels, file size: 343 KB, MIME type: application/pdf, 5 pages)
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| 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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