File:Patent-US-2489463.pdf
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Original file (1,159 × 1,704 pixels, file size: 146 KB, MIME type: application/pdf, 4 pages)
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| 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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