File:Patent-US-422474.pdf
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Dettagli
Inventor |
Otto E. Weidlich |
---|---|
Assignee |
Otto E. Weidlich |
Country |
US |
Application N° |
325250 |
Application Date |
1889-09-27 |
Patent N° |
422474 |
Brevettato |
1890-03-04 |
Priorità |
1889-09-27 |
Brand | |
Title |
Fountain-pen |
Description |
Alimentatore superiore |
Riferimenti esterni
Informazioni
Brevetto per un alimentatore del tipo overfeed.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:38, 15 November 2013 | ![]() | 1,159 × 1,704, 3 pages (110 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Otto E. Weidlich |Assignee=Otto E. Weidlich |Country=US |ApplicationNum=325250 |ApplicationDate=1889-09-27 |PatentNum=422474 |PatentDate=1890-03-04 |PriorityDate=1889-09-27 |Titolo=Fountain-pen |Marca=Weidlich |Descrizione=[[Alim... |
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