File:Patent-US-1359880.pdf
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Original file (1,159 × 1,704 pixels, file size: 152 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Charles Dunn |
|---|---|
| Assignee |
Charles Dunn |
| Country |
US |
| Application N° |
160404 |
| Application Date |
1917-04-07 |
| Patent N° |
1359880 |
| Brevettato |
1920-11-23 |
| Priorità |
1917-04-07 |
| Brand | |
| Title |
Self-filling fountain-pen |
| Description |
Caricamento tipo stantuffo tuffante |
Riferimenti esterni
Informazioni
Brevetto per il caricamento a depressione e sfiatatoio utilizzato dalla Dunn, sostanzialmente identico allo stantuffo tuffante della Omas, che però è molto più tardo.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:10, 24 June 2012 |  | 1,159 × 1,704, 3 pages (152 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Charles Dunn |Assignee=Charles Dunn |Country=US |ApplicationNum=160404 |ApplicationDate=1917-04-07 |PatentNum=1359880 |PatentDate=1920-11-23 |PriorityDate=1917-04-07 |Titolo=Self-filling fountain-pen |Marca=Dunn |Descrizione=Sist... |
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