File:Patent-US-744642.pdf
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Original file (1,159 × 1,704 pixels, file size: 105 KB, MIME type: application/pdf, 3 pages)
| Inventor |
Harry W. Stone |
|---|---|
| Assignee |
Arthur A. Waterman, William G. Frazer, Hobart W. Geyer |
| Country |
US |
| Application N° |
144031 |
| Application Date |
1903-02-19 |
| Patent N° |
744642 |
| Brevettato |
1903-11-17 |
| Priorità |
1903-02-19 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento a torsione, probabilmente il primo attinente il twist filler. Stampigliato sul corpo di alcune A. A. Waterman.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:08, 23 June 2012 |  | 1,159 × 1,704, 3 pages (105 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Harry W. Stone |Assignee=Arthur A. Waterman, William G. Frazer, Hobart W. Geyer |Country=US |ApplicationNum=144031 |ApplicationDate=1903-02-19 |PatentNum=744642 |PatentDate=1903-11-17 |PriorityDate=1903-02-19 |Titolo=Fountain-pen... |
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