File:Patent-US-1904358.pdf
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Original file (1,159 × 1,704 pixels, file size: 927 KB, MIME type: application/pdf, 11 pages)
Dettagli
| Inventor |
Arthur O. Dahlberg |
|---|---|
| Assignee |
Arthur O. Dahlberg |
| Country |
US |
| Application N° |
653346 |
| Application Date |
1933-01-24 |
| Patent N° |
1904358 |
| Brevettato |
1933-04-18 |
| Priorità |
1933-01-24 |
| Brand | |
| Title |
Fountain pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per il caricamento Vacumatic, brevetto originale di Dahlberg, in seguito modificato come nel brevetto nº US-1980508. Prosegue dalla richiesta n° 306009 del 1928-09-14. Stessa invenzione di nº GB-318982.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:25, 4 July 2012 |  | 1,159 × 1,704, 11 pages (927 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Arthur O. Dahlberg |Assignee=Arthur O. Dahlberg |Country=US |ApplicationNum=653346 |ApplicationDate=1933-01-24 |PatentNum=1904358 |PatentDate=1933-04-18 |PriorityDate=1933-01-24 |Titolo=Fountain pen |Marca=Parker |Descrizione=Il ... |
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