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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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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