File:Patent-US-2422351.pdf
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Dettagli
| Inventor |
Benjamin W. Hanle |
|---|---|
| Assignee |
Eagle Pencil Company |
| Country |
US |
| Application N° |
569484 |
| Application Date |
1944-12-23 |
| Patent N° |
2422351 |
| Brevettato |
1947-06-17 |
| Priorità |
1944-12-23 |
| Brand | |
| Title |
Fountain pen |
| Description |
Pennino intercambiabile |
Riferimenti esterni
Informazioni
Brevetto per un pennino intercambiabile, con una modalità di sostituzione semplice. Riferimenti a nº US-1735224, nº US-2016106 e nº US-2089449.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:08, 26 June 2012 |  | 1,159 × 1,704, 3 pages (120 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Benjamin W. Hanle |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=569484 |ApplicationDate=1944-12-23 |PatentNum=2422351 |PatentDate=1947-06-17 |PriorityDate=1944-12-23 |Titolo=Fountain pen |Marca=Eagle |Descrizione=Pen... |
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