Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975715 | Trailer spring brake valve | Travis G. Ramler, Andrew Marsh | 2011-07-12 |
| 5215175 | Clutch drive mechanism | — | 1993-06-01 |
| 4830161 | Fan clutch | John L. Hall, Dennis R. Shamine | 1989-05-16 |
| 4541516 | Clutch drive with antirotation spring | — | 1985-09-17 |