File:Patent-US-2489463.pdf
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Dettagli
Inventor |
William B. Reynolds |
---|---|
Assignee |
The Parker Pen Company |
Country |
US |
Application N° |
650140 |
Application Date |
1946-02-25 |
Patent N° |
2489463 |
Brevettato |
1949-11-29 |
Priorità |
1946-02-25 |
Brand | |
Title |
Stable blue writing ink and a dye therefor |
Description |
Inchiostro blu stabile |
Riferimenti esterni
Informazioni
Brevetto per un inchiostro blu stabile.
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current | 19:16, 7 July 2012 | ![]() | 1,159 × 1,704, 4 pages (146 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William B. Reynolds |Assignee=The Parker Pen Company |Country=US |ApplicationNum=650140 |ApplicationDate=1946-02-25 |PatentNum=2417861 |PatentDate=1949-11-29 |PriorityDate=1946-02-25 |Titolo=Stable blue writing ink and a dye ther... |
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