Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537797 | Process for the production of record material | — | 1985-08-27 |
| 4509065 | Record material | — | 1985-04-02 |
| 4462616 | Record material | — | 1984-07-31 |
| 4458922 | Record material carrying a color developer composition | — | 1984-07-10 |
| 4435004 | Record material carrying a color developer composition | — | 1984-03-06 |
| 4391850 | Record material carrying a color developer composition | — | 1983-07-05 |
| 4387117 | Record material carrying a color developer composition | — | 1983-06-07 |
| 4331634 | Solvent extraction process for the selective extraction of palladium | Richard Alasdair Grant | 1982-05-25 |