Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485291 | 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 | Yong Qiao, William F. Redmond, Richard E. DuNah | 1996-01-16 |
| 5485354 | Flat panel display lighting system | William F. Redmond, Richard E. DuNah | 1996-01-16 |
| 5461547 | Flat panel display lighting system | William F. Redmond, Richard E. DuNah | 1995-10-24 |
| 5420761 | Flat, thin, uniform thickness large area light source | Richard E. DuNah, William F. Redmond | 1995-05-30 |
| 4904245 | Surgical valve assembly for urinary bladder irrigation and drainage | Allen Chen | 1990-02-27 |
| 4537387 | Precision valve assembly | Hal C. Danby | 1985-08-27 |
| 4477054 | Precision valve assembly | Hal C. Danby | 1984-10-16 |
| 4198134 | Film cartridge | Steven Runyan, Hugh P. Sherlock | 1980-04-15 |
| 4185899 | Combination viewer and projector | Hugh P. Sherlock, Edwin E. Ewry, Werner E. Sandvoss, Glenn E. Brown, William T. Link | 1980-01-29 |