File:Patent-US-1080099.pdf
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Dettagli
| Inventor |
William L. Chapman |
|---|---|
| Assignee |
William L. Chapman |
| Country |
US |
| Application N° |
686293 |
| Application Date |
1912-03-26 |
| Patent N° |
1080099 |
| Brevettato |
1913-12-02 |
| Priorità |
1912-03-26 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Valvola di blocco |
Riferimenti esterni
Informazioni
Brevetto per un sistema di bloccaggio del flusso di inchiostro. Identificato come associato alla A. A. Waterman essendo citato come testimone Hobart W. Geyer ed avendo un altro brevetto (nº US-1075815) assegnato alla stessa.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:33, 13 October 2015 |  | 1,159 × 1,704, 5 pages (309 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William L. Chapman |Assignee=William L. Chapman |Country=US |ApplicationNum=686293 |ApplicationDate=1912-03-26 |PatentNum=1080099 |PatentDate=1913-12-02 |PriorityDate=1912-03-26 |Titolo=Fountain-pen |Marca=A. A. Waterman |Descriz... |
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