File:Patent-US-1490735.pdf
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Original file (1,159 × 1,704 pixels, file size: 284 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
William P. De Witt |
|---|---|
| Assignee |
De Witt-La France Company |
| Country |
US |
| Application N° |
626963 |
| Application Date |
1923-03-22 |
| Patent N° |
1490735 |
| Brevettato |
1924-04-15 |
| Priorità |
1923-03-22 |
| Brand | |
| Title |
Fountain pen, lever filler |
| Description |
Riferimenti esterni
Informazioni
Brevetto per una variante di caricamento a levetta. Riattribuito all'azienda con nota finale.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:58, 25 June 2012 |  | 1,159 × 1,704, 5 pages (284 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William P. De Witt |Assignee=William P. De Witt |Country=US |ApplicationNum=626963 |ApplicationDate=1923-03-22 |PatentNum=1490735 |PatentDate=1924-04-15 |PriorityDate=1923-03-22 |Titolo=Fountain pen, lever filler |Marca=De Witt-L... |
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