File:Patent-US-237139.pdf
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Original file (1,159 × 1,704 pixels, file size: 155 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
William W. Stewart |
|---|---|
| Assignee |
William W. Stewart |
| Country |
US |
| Application N° |
237139 |
| Application Date |
1880-09-13 |
| Patent N° |
237139 |
| Brevettato |
1881-02-01 |
| Priorità |
1880-09-13 |
| Brand | |
| Title |
Fountain pen-holder |
| Description |
Proto-stilografica |
Riferimenti esterni
Informazioni
Brevetto per una stilografica primitiva. 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 | 16:31, 18 October 2016 |  | 1,159 × 1,704, 3 pages (155 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=237139 |ApplicationDate=1880-09-13 |PatentNum=237139 |PatentDate=1881-02-01 |PriorityDate=1880-09-13 |Titolo=Fountain pen-holder |Marca=Swan |Descrizione... |
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