File:Patent-US-222959.pdf
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Original file (1,159 × 1,704 pixels, file size: 145 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
William W. Stewart |
|---|---|
| Assignee |
William W. Stewart |
| Country |
US |
| Application N° |
222959 |
| Application Date |
1879-06-11 |
| Patent N° |
222959 |
| Brevettato |
1879-12-23 |
| Priorità |
1879-06-11 |
| Brand | |
| Title |
Improvement in fountain-pens |
| Description |
Proto-stilografica |
Riferimenti esterni
Informazioni
Brevetto per una stilografica primitiva riguardante principalmente il suo sistema di alimentazione. Riferimenti a nº US-214795. Secondo quanto riportato qui i brevetti di William W. Stewart sarebbero stati utilizzati dalla Swan per la produzione delle loro prime stilografiche negli USA.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:11, 11 November 2012 |  | 1,159 × 1,704, 3 pages (145 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=222959 |ApplicationDate=1879-06-11 |PatentNum=222959 |PatentDate=1879-12-23 |PriorityDate=1879-06-11 |Titolo=Improvement in fountain-pens |Marca=Swan |De... |
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