Dunah; Richard E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dunah; Richard E..The latest application filed is for "flat panel display lighting system".
- Dunah; Richard E. - Sonoma County CA
- DuNah; Richard E. - Mountain View CA
| Patent | Date |
|---|---|
| Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source Grant 5,485,291 - Qiao , et al. January 16, 1 | 1996-01-16 |
| Flat panel display lighting system Grant 5,485,354 - Ciupke , et al. January 16, 1 | 1996-01-16 |
| Flat panel display lighting system Grant 5,461,547 - Ciupke , et al. October 24, 1 | 1995-10-24 |
| Flat, thin, uniform thickness large area light source Grant 5,420,761 - DuNah , et al. May 30, 1 | 1995-05-30 |
| Lighting panel Grant 5,400,224 - DuNah , et al. March 21, 1 | 1995-03-21 |
| Ornamental article with illuminated display Grant 4,101,955 - DuNah July 18, 1 | 1978-07-18 |
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