File:Patent-US-630527.pdf
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Original file (1,159 × 1,704 pixels, file size: 149 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
William W. Stewart |
|---|---|
| Assignee |
William W. Stewart |
| Country |
US |
| Application N° |
709891 |
| Application Date |
1899-03-21 |
| Patent N° |
630527 |
| Brevettato |
1899-08-08 |
| Priorità |
1899-03-21 |
| Brand | |
| Title |
Self-filling fountain-pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento. Riferimenti a nº US-542450. 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 | 21:24, 11 November 2012 |  | 1,159 × 1,704, 3 pages (149 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=709891 |ApplicationDate=1899-03-21 |PatentNum=630527 |PatentDate=1899-08-08 |PriorityDate=1899-03-21 |Titolo=Self-filling fountain-pen |Marca=Swan |Descr... |
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