File:Patent-US-1433325.pdf
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Dettagli
Inventor |
Arthur Winter, Porter S. Morgan |
---|---|
Assignee |
Samuel E. Darby Jr. |
Country |
US |
Application N° |
343889 |
Application Date |
1919-12-10 |
Patent N° |
1433325 |
Brevettato |
1922-10-24 |
Priorità |
1919-12-10 |
Brand | |
Title |
Fountain pen |
Description |
Stilografica a inchiostro solubile |
Riferimenti esterni
Informazioni
Brevetto per una stilografica ad inchiostro solubile.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:54, 23 March 2021 | ![]() | 1,159 × 1,704, 4 pages (276 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Arthur Winter, Porter S. Morgan |Assignee=Samuel E. Darby Jr. |Country=US |ApplicationNum=343889 |ApplicationDate=1919-12-10 |PatentNum=1433325 |PatentDate=1922-10-24 |PriorityDate=1919-12-10 |Titolo=Fountain pen |Marca=Unbranded... |
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