File:Patent-US-633538.pdf
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Original file (1,159 × 1,704 pixels, file size: 423 KB, MIME type: application/pdf, 7 pages)
Inventor |
Arthur A. Waterman, Frederick W. Stevens |
---|---|
Assignee |
Rhodes G. Lockwood |
Country |
US |
Application N° |
634814 |
Application Date |
1897-05-03 |
Patent N° |
633538 |
Brevettato |
1899-09-19 |
Priorità |
1897-05-03 |
Brand | |
Title |
Fountain-pen |
Description |
Sistema di regolazione |
Riferimenti esterni
Informazioni
Brevetto per un sistema di regolazione dell'afflusso di inchiostro, non è chiaro se sia mai stato usato. Riferimenti a nº US-619701.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:00, 19 August 2012 | ![]() | 1,159 × 1,704, 7 pages (423 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Arthur A. Waterman, Frederick W. Stevens |Assignee=Rhodes G. Lockwood |Country=US |ApplicationNum=634814 |ApplicationDate=1897-05-03 |PatentNum=633538 |PatentDate=1899-09-19 |PriorityDate=1897-05-03 |Titolo=Fountain-pen |Marca=A.... |
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