File:Patent-US-2091649.pdf
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Original file (1,159 × 1,704 pixels, file size: 229 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
Wilbur K. Olson |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
57629 |
| Application Date |
1936-01-04 |
| Patent N° |
2091649 |
| Brevettato |
1937-08-31 |
| Priorità |
1936-01-04 |
| Brand | |
| Title |
Fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un caricamento a sfiatatoio molto simile al caricamento Vacumatic, mai prodotto.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:15, 14 July 2012 |  | 1,159 × 1,704, 4 pages (229 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Wilbur K. Olson |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=57629 |ApplicationDate=1936-01-04 |PatentNum=2091649 |PatentDate=1937-08-31 |PriorityDate=1936-01-04 |Titolo=Fountain pen |Marca=Sheaffer |Descrizio... |
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