File:Patent-US-769427.pdf
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Original file (1,159 × 1,704 pixels, file size: 227 KB, MIME type: application/pdf, 4 pages)
| Inventor |
David W. Beaumel |
|---|---|
| Assignee |
David W. Beaumel |
| Country |
US |
| Application N° |
208143 |
| Application Date |
1904-05-16 |
| Patent N° |
769427 |
| Brevettato |
1904-09-06 |
| Priorità |
1904-05-16 |
| Brand | |
| Title |
Stylographic pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per una penna a stilo.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:45, 12 October 2012 |  | 1,159 × 1,704, 4 pages (227 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=David W. Beaumel |Assignee=David W. Beaumel |Country=US |ApplicationNum=322674 |ApplicationDate=1906-06-21 |PatentNum=839537 |PatentDate=1906-12-25 |PriorityDate=1906-06-21 |Titolo=Stylographic pen |Marca=Beaumel |Descrizione=Pen... |
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