File:Patent-US-559034.pdf
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Dettagli
| Inventor |
James W. Laughlin |
|---|---|
| Assignee |
James W. Laughlin |
| Country |
US |
| Application N° |
509690 |
| Application Date |
1894-05-01 |
| Patent N° |
559034 |
| Brevettato |
1896-04-28 |
| Priorità |
1894-05-01 |
| Brand | |
| Title |
Fountain pen |
| Description |
Blocco afflusso inchiostro |
Riferimenti esterni
Informazioni
Brevetto per un dispositivo interno al fusto della penna per bloccare l'afflusso dell'inchiostro al pennino per evitare perdite.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:02, 19 August 2012 |  | 1,159 × 1,704, 4 pages (203 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=James W. Laughlin |Assignee=James W. Laughlin |Country=US |ApplicationNum=509690 |ApplicationDate=1894-05-01 |PatentNum=559034 |PatentDate=1896-04-28 |PriorityDate=1894-05-01 |Titolo=Fountain pen |Marca=Laughlin |Descrizione=Mecc... |
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