Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178956 | Automotive fluid control system with pressure balanced solenoid valve | Christian Steinmann, Michael J. Covey, Thomas D. Herrington, Michael Trevor Clark, John W. Dillon +1 more | 2001-01-30 |
| 5419369 | Solenoid operated pressure control valve | William J. House, III, Jerry A. Sowik | 1995-05-30 |
| 4917150 | Solenoid operated pressure control valve | Robert O. Koch, Warren H. Cowles | 1990-04-17 |
| 4483508 | Gradient power valve assembly | Roy O. Erickson, Jr. | 1984-11-20 |
| 4434763 | Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine | Ralph P. McCabe | 1984-03-06 |
| 4294282 | Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine | Ralph P. McCabe | 1981-10-13 |