Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8640835 | Suspension unit | Timothy J. Holman | 2014-02-04 |
| 7963537 | Suspension unit | — | 2011-06-21 |
| 5800025 | Electronic trailer brake controller with sleep mode | Michael C. McGrath, Wayne M. Groleau, Michael A. Hedding, David R. Sullivan | 1998-09-01 |
| 5785393 | Electronic trailer brake controller with pendulum zero adjust | Michael C. McGrath, Wayne M. Groleau, Michael A. Hedding, David R. Sullivan | 1998-07-28 |
| 5782542 | Electronic trailer brake controller with remote manual control | Michael C. McGrath, Wayne M. Groleau, Michael A. Hedding, David R. Sullivan | 1998-07-21 |
| 5620236 | Electronic trailer brake controller | Michael C. McGrath, Wayne M. Groleau, Michael A. Hedding, David R. Sullivan | 1997-04-15 |