File:Patent-US-1657033.pdf
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Dettagli
| Inventor |
Robert T. Pollock |
|---|---|
| Assignee |
Pollock Pen Company |
| Country |
US |
| Application N° |
530073 |
| Application Date |
1922-01-18 |
| Patent N° |
1657033 |
| Brevettato |
1928-01-24 |
| Priorità |
1922-01-18 |
| Brand | |
| Title |
Fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un caricamento a cartuccia con cartuccia in rame.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:03, 29 June 2012 |  | 1,159 × 1,704, 2 pages (110 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=490150 |ApplicationDate=1922-01-18 |PatentNum=1657033 |PatentDate=1928-01-24 |PriorityDate=1922-01-18 |Titolo=Fountain pen |Marca=John Hancock |Descrizi... |
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