File:Patent-US-426692.pdf
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Original file (1,159 × 1,704 pixels, file size: 202 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
William W. Stewart |
|---|---|
| Assignee |
William W. Stewart |
| Country |
US |
| Application N° |
324565 |
| Application Date |
1889-09-20 |
| Patent N° |
426692 |
| Brevettato |
1890-04-29 |
| Priorità |
1889-09-20 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un sistema di alimentazione di tipo overfeed. 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 | 23:11, 12 November 2012 |  | 1,159 × 1,704, 4 pages (202 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=324565 |ApplicationDate=1889-09-20 |PatentNum=426962 |PatentDate=1890-04-29 |PriorityDate=1889-09-20 |Titolo=Fountain-pen |Marca=Swan |Descrizione=Alimen... |
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