File:Patent-US-744642.pdf
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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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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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