File:Patent-US-1787406.pdf
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Dettagli
| Inventor |
Donald D. Mungen, Robert Back |
|---|---|
| Assignee |
The Wahl Company |
| Country |
US |
| Application N° |
128735 |
| Application Date |
1926-08-12 |
| Patent N° |
1787406 |
| Brevettato |
1930-12-30 |
| Priorità |
1926-08-12 |
| Brand | |
| Title |
Fountain pen |
| Description |
Pennino intercambiabile |
Riferimenti esterni
Informazioni
Brevetto modalità di assemblaggio del gruppo pennino in grado di fornire un pennino intercambiabile. Usato per i pennini Personal Point.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:52, 13 July 2012 |  | 1,159 × 1,704, 5 pages (262 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Donald D. Mungen, Robert Back |Assignee=The Wahl Company |Country=US |ApplicationNum=128736 |ApplicationDate=1926-08-26 |PatentNum=1787406 |PatentDate=1930-12-30 |PriorityDate=1926-08-26 |Titolo=Fountain pen |Marca=Eversharp |Des... |
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