Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D315425 | Dense wide angle fresnel lens array for infrared motion detector system | Russell G. Torti | 1991-03-12 |
| 4787722 | Fresnel lens with aspiteric grooves | — | 1988-11-29 |
| D296015 | Convenience light | Robert P. Falconer, Truman D. Black, Fabio Fabiano | 1988-05-31 |
| 4473824 | Price quotation system | — | 1984-09-25 |