File:Patent-US-174965.pdf
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Dettagli
Inventor |
Duncan Mackinnon |
---|---|
Assignee |
Duncan Mackinnon |
Country |
US |
Application N° |
174965 |
Application Date |
1875-06-18 |
Patent N° |
174965 |
Brevettato |
1876-03-21 |
Priorità |
1875-06-18 |
Brand | |
Title |
Improvements in fountain pen |
Description |
Penna a stilo |
Riferimenti esterni
Informazioni
Brevetto per una penna a stilo. Stampigliato sul corpo delle omonime penne MacKinnon (vedi File:1881-MacKinnon.jpg).
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:04, 26 December 2018 | ![]() | 1,159 × 1,704, 3 pages (144 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Duncan Mackinnon |Assignee=Duncan Mackinnon |Country=US |ApplicationNum=174965 |ApplicationDate=1875-06-18 |PatentNum=174965 |PatentDate=1876-03-21 |PriorityDate=1875-06-18 |Titolo=Improvements in fountain pen |Marca=MacKinnon |D... |
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