File:Patent-US-1671125.pdf
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Original file (1,159 × 1,704 pixels, file size: 146 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Robert T. Pollock |
|---|---|
| Assignee |
Pollock Pen Company |
| Country |
US |
| Application N° |
619625 |
| Application Date |
1923-02-17 |
| Patent N° |
1671125 |
| Brevettato |
1928-05-29 |
| Priorità |
1923-02-17 |
| Brand | |
| Title |
Ink cartridge |
| Description |
Cartuccia di inchiostro |
Riferimenti esterni
Informazioni
Brevetto per una cartuccia di inchiostro in rame da usare per una delle prime versioni di caricamento a cartuccia.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:11, 29 June 2012 |  | 1,159 × 1,704, 3 pages (146 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=619625 |ApplicationDate=1923-02-17 |PatentNum=1671125 |PatentDate=1928-01-24 |PriorityDate=1923-02-17 |Titolo=Fountain pen |Marca=John Hancock |Descrizi... |
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