File:Patent-US-1472963.pdf
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Original file (1,159 × 1,704 pixels, file size: 167 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
William P. De Witt |
|---|---|
| Assignee |
De Witt - La France Co. |
| Country |
US |
| Application N° |
527321 |
| Application Date |
1922-01-06 |
| Patent N° |
1472963 |
| Brevettato |
1923-11-06 |
| Priorità |
1922-01-06 |
| Brand | |
| Title |
Lever-filler fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per una variante di caricamento a levetta.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:06, 25 June 2012 |  | 1,159 × 1,704, 3 pages (167 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William P. De Witt |Assignee=De Witt - La France Co. |Country=US |ApplicationNum=527321 |ApplicationDate=1922-01-06 |PatentNum=1472963 |PatentDate=1923-11-06 |PriorityDate=1922-01-06 |Titolo=Lever-filler fountain pen |Marca=De Wi... |
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