Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115114 | Laser scanning system and applications | Johnny L. Berg | 2000-09-05 |
| 5940170 | Laser scanning system | Johnny L. Berg | 1999-08-17 |
| 5831719 | Laser scanning system | Johnny L. Berg | 1998-11-03 |
| 5422545 | Closed loop feedback control circuits for gas discharge lamps | Gerald A. Felper | 1995-06-06 |
| 4980837 | Circuit and method for automatically sweeping through a plurality of siren modes | Ewing D. Nunn | 1990-12-25 |
| 4253046 | Variable intensity control apparatus for operating a gas discharge lamp | Gerald A. Felper | 1981-02-24 |
| 4230971 | Variable intensity control apparatus for operating a gas discharge lamp | Gerald A. Felper | 1980-10-28 |