File:Patent-US-2170242.pdf
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Dettagli
| Inventor |
Benjamin W. Hanle |
|---|---|
| Assignee |
Eagle Pencil Company |
| Country |
US |
| Application N° |
195296 |
| Application Date |
1938-03-11 |
| Patent N° |
2170242 |
| Brevettato |
1939-08-22 |
| Priorità |
1936-05-23 |
| Brand | |
| Title |
Fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento a sfiatatoio.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:34, 26 June 2012 |  | 1,159 × 1,704, 3 pages (161 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Benjamin W. Hanle |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=195296 |ApplicationDate=1938-03-11 |PatentNum=2148236 |PatentDate=1939-08-22 |PriorityDate=1936-05-23 |Titolo=Fountain pen |Marca=Eagle |Descrizione=[[C... |
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