File:Patent-US-1825931.pdf
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Dettagli
| Inventor |
Walter J. Baker |
|---|---|
| Assignee |
The Wahl Company |
| Country |
US |
| Application N° |
163034 |
| Application Date |
1927-01-24 |
| Patent N° |
1825931 |
| Brevettato |
1931-10-06 |
| Priorità |
1927-01-24 |
| Brand | |
| Title |
Fountain pen |
| Description |
Precursore Ink Shut-off |
Riferimenti esterni
Informazioni
Brevetto per un sistema di blocco dell'afflusso di inchiostro precursore dell'Ink Shut-off.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:36, 25 July 2012 |  | 1,159 × 1,704, 10 pages (695 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Walter J. Baker |Assignee=The Wahl Company |Country=US |ApplicationNum=163034 |ApplicationDate=1927-01-24 |PatentNum=1825931 |PatentDate=1930-11-06 |PriorityDate=1927-01-24 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=Precu... |
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