Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5471348 | Directed reflection optical device | Richard A. Miller, John F. Dreyer, Jr. | 1995-11-28 | $8,000,000 |
| 5190370 | High aspect ratio lighting element | Richard A. Miller, Sanford Cobb, Jr. | 1993-03-02 | $10,086,000 |
| 5130848 | Passive railroad crossing warning system | Richard A. Miller, Scott G. Theirl | 1992-07-14 | $19,227,000 |
| 5097395 | Multiple cavity light fixture | Richard A. Miller | 1992-03-17 | $21,375,000 |
| 5029060 | Uniform intensity profile catadioptric lens | John C. Nelson | 1991-07-02 | $3,968,000 |
| 4874228 | Back-lit display | Jeffrey J. Melby, Richard A. Miller | 1989-10-17 | $6,299,000 |
| 4799131 | Automotive lighting element | Jeffrey J. Melby, Richard A. Miller | 1989-01-17 | $7,399,000 |
| 4799137 | Reflective film | — | 1989-01-17 | $7,399,000 |
| 4789921 | Cone shaped Fresnel reflector | — | 1988-12-06 | $15,531,000 |
| 4253773 | Fluid container | Francis M. Farrell, III | 1981-03-03 | $7,242,000 |