File:Patent-US-1508311.pdf
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Dettagli
| Inventor |
Francis W. Vaughn |
|---|---|
| Assignee |
Vaughn-Upton Company |
| Country |
US |
| Application N° |
580324 |
| Application Date |
1922-08-07 |
| Patent N° |
1508311 |
| Brevettato |
1924-09-09 |
| Priorità |
1922-08-07 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Caricamento a siringa rovesciata |
Riferimenti esterni
Informazioni
Brevetto per una variante del sistema di caricamento a siringa rovesciata. Riferimenti a nº US-926611.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:43, 19 August 2012 |  | 1,159 × 1,704, 3 pages (178 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Francis W. Vaughn |Assignee=Vaughn-Upton Company |Country=US |ApplicationNum=580324 |ApplicationDate=1922-08-07 |PatentNum=1508311 |PatentDate=1924-09-09 |PriorityDate=1922-08-07 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione... |
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