File:Patent-US-1724106.pdf
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Original file (1,159 × 1,704 pixels, file size: 283 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
Robert T. Pollock |
|---|---|
| Assignee |
Pollock Pen Company |
| Country |
US |
| Application N° |
503567 |
| Application Date |
1921-09-21 |
| Patent N° |
1724106 |
| Brevettato |
1929-09-13 |
| Priorità |
1921-09-21 |
| Brand | |
| Title |
Cartridge pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un caricamento a cartuccia con cartuccia in rame.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:17, 29 June 2012 |  | 1,159 × 1,704, 5 pages (283 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=530073 |ApplicationDate=1921-09-21 |PatentNum=1724106 |PatentDate=1929-09-13 |PriorityDate=1921-09-21 |Titolo=Cartridge pen |Marca=John Hancock |Descriz... |
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