File:Patent-US-1964821.pdf
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Original file (1,159 × 1,704 pixels, file size: 187 KB, MIME type: application/pdf, 3 pages)
Dettagli
Inventor |
Russel B. Kingman |
---|---|
Assignee |
Russel B. Kingman |
Country |
US |
Application N° |
675726 |
Application Date |
1933-06-14 |
Patent N° |
1964821 |
Brevettato |
1934-07-03 |
Priorità |
1933-06-14 |
Brand | |
Title |
Soluble ink fountain pen |
Description |
Penna con inchiostro solubile |
Riferimenti esterni
Informazioni
Brevetto per una penna caricata con inchiostro solubile.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:45, 1 April 2021 | 1,159 × 1,704, 3 pages (187 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Russel B. Kingman |Assignee=Russel B. Kingman |Country=US |ApplicationNum=675726 |ApplicationDate=1933-06-14 |PatentNum=1964821 |PatentDate=1934-07-03 |PriorityDate=1933-06-14 |Titolo=Soluble ink fountain pen |Marca=Camel |Desc... |
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