File:Patent-US-844061.pdf
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Original file (1,159 × 1,704 pixels, file size: 142 KB, MIME type: application/pdf, 3 pages)
| Inventor |
Levi D. Van Valenburg |
|---|---|
| Assignee |
Levi D. Van Valenburg |
| Country |
US |
| Application N° |
328757 |
| Application Date |
1906-08-01 |
| Patent N° |
844061 |
| Brevettato |
1907-02-12 |
| Priorità |
1906-08-01 |
| Brand | |
| Title |
Fountain-pen retainer |
| Description |
Fermaglio a molla |
Riferimenti esterni
Informazioni
Brevetto per un fermaglio a molla (la V.V. CLIP) utilizzato da varie aziende minori, come Williamson e Salz, ma anche da aziende di primo piano (Parker e Conklin).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:41, 24 July 2012 |  | 1,159 × 1,704, 3 pages (142 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Levi D. Van Valenburg |Assignee=Levi D. Van Valenburg |Country=US |ApplicationNum=328757 |ApplicationDate=1906-08-01 |PatentNum=844061 |PatentDate=1907-02-12 |PriorityDate=1906-08-01 |Titolo=Fountain-pen retainer |Marca=Williamso... |
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