Cournoyer; Richard L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cournoyer; Richard L..The latest application filed is for "thermal imaging method".
- Cournoyer; Richard L. - San Jose CA
- Cournoyer; Richard L. - Dorchester MA
- Cournoyer; Richard L. - Waltham MA
| Patent | Date |
|---|---|
| Thermal imaging method Grant 5,192,645 - Boggs , et al. March 9, 1 | 1993-03-09 |
| Photographic products and processes with a pH sensitive xanthene light screening dye Grant 4,345,017 - Cournoyer , et al. August 17, 1 | 1982-08-17 |
| Novel xanthene compounds and photographic products and processes employing the same Grant 4,258,119 - Cournoyer , et al. March 24, 1 | 1981-03-24 |
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