Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5969483 | Inverter control method for electronic ballasts | Guang Liu, Anand K. Upadhyay, Dennis L. Stephens | 1999-10-19 |
| 5945788 | Electronic ballast with inverter control circuit | Guang Liu, Anand K. Upadhyay, Dennis L. Stephens | 1999-08-31 |
| 5883473 | Electronic Ballast with inverter protection circuit | Sameer Sodhi | 1999-03-16 |
| 5554921 | Battery charger apparatus and method with multiple range current control | Ralph Mitchell, John H. Aseltine | 1996-09-10 |
| 5500579 | Electric motor control with integral battery charger | Sang Hoon Kim, Ralph Mitchell | 1996-03-19 |
| 5030844 | DC power switch with inrush prevention | John E. Herrmann | 1991-07-09 |
| 4886029 | Ignition misfire detector | Mark Lill, Koushun Sun | 1989-12-12 |
| 4711227 | Apparatus and method for electronic ignition control | Leonard Foss, David Bruce Cousins | 1987-12-08 |
| 4689500 | Comparator with substrate injection protection | Randall C. Gray, Robert M. Hess, Robert B. Jarrett | 1987-08-25 |
| 4658786 | Loss of input signal detection and response system for use with distributorless ignition systems | Leonard Foss, David Bruce Cousins | 1987-04-21 |
| 4547715 | Current control circuit | — | 1985-10-15 |