File:Patent-US-1435446.pdf
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Original file (1,159 × 1,704 pixels, file size: 471 KB, MIME type: application/pdf, 6 pages)
Dettagli
| Inventor |
David W. Beaumel |
|---|---|
| Assignee |
David W. Beaumel |
| Country |
US |
| Application N° |
436966 |
| Application Date |
1921-01-13 |
| Patent N° |
1435446 |
| Brevettato |
1922-11-14 |
| Priorità |
1921-01-13 |
| Brand | |
| Title |
Self-filling fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per una variante di caricamento a levetta.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:54, 12 October 2012 |  | 1,159 × 1,704, 6 pages (471 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=David W. Beaumel |Assignee=David W. Beaumel |Country=US |ApplicationNum=436966 |ApplicationDate=1921-01-13 |PatentNum=1435446 |PatentDate=1922-11-14 |PriorityDate=1921-01-13 |Titolo=Self-filling fountain pen |Marca=Beaumel |Descr... |
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