Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157274 | Electrical interface circuit | Roy E. Hunninghaus | 1992-10-20 |
| 5019722 | Threshold crossing detection with improved noise rejection | Roy E. Hunninghaus | 1991-05-28 |
| 4689500 | Comparator with substrate injection protection | Randall C. Gray, Robert B. Jarrett, Edward Li | 1987-08-25 |
| 4574221 | Ignition control integrated circuit having substrate injection preventing means | Robert B. Jarrett | 1986-03-04 |