File:Patent-US-1804522.pdf
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Dettagli
Inventor |
Frank T. Walsh |
---|---|
Assignee |
LeBoeuf Fountain Pen Co. |
Country |
US |
Application N° |
375764 |
Application Date |
1929-07-03 |
Patent N° |
1804522 |
Brevettato |
1931-05-12 |
Priorità |
1929-07-03 |
Brand | |
Title |
Fountain-pen |
Description |
Caricamento sleeve filler |
Riferimenti esterni
Informazioni
Brevetto per una variante di caricamento sleeve filler. Riferimenti a nº US-1042804.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:12, 29 June 2012 | ![]() | 1,159 × 1,704, 3 pages (143 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Frank Le Boeuf |Assignee=LeBoeuf Fountain Pen Co. |Country=US |ApplicationNum=375764 |ApplicationDate=1929-07-03 |PatentNum=1804522 |PatentDate=1931-05-12 |PriorityDate=1929-07-03 |Titolo=Fountain-pen |Marca=LeBoeuf |Descrizione=... |
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