Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9278678 | Modular electronic brake valve for air brakes vehicles | Joe Hoover, David G. Engelbert | 2016-03-08 |
| 7300118 | Electronic park brake valve system for air brakes vehicles | Joe Hoover, David G. Engelbert, Noble Hamilton | 2007-11-27 |
| 5357846 | Tandem brake booster | James J. Colpaert | 1994-10-25 |
| 4778225 | Brake vacuum modulator traction control with pressure source variable as function of engine load during incipient wheel spin conditions | Thomas J. Hoffman, Jerry L. Cage, Michael E. Gatt | 1988-10-18 |