Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36216 | Winch having automatic brake | — | 1999-06-01 |
| 5482255 | Winch having heat dissipating braking | Matthew D. Daschel | 1996-01-09 |
| 5261646 | Winch having automatic brake | — | 1993-11-16 |
| 5195604 | All wheel drive vehicle with independent wheel braking | David J. Brockett | 1993-03-23 |
| 4824162 | Cover for pickup truck bed | Richard J. Geisler, Gary M. Scott | 1989-04-25 |
| 4775040 | Manually-operated axially-engaging positive clutch | — | 1988-10-04 |
| 4545567 | Winch power transmission | James W. Haase | 1985-10-08 |
| 4461460 | Winch | — | 1984-07-24 |
| 4365696 | One-piece locking clutch | — | 1982-12-28 |
| 4327821 | Automatic locking clutch with sliding clutch ring | — | 1982-05-04 |
| 4266646 | Wheel stud mounted locking clutch | — | 1981-05-12 |
| 4223772 | Semi-automatic roller locking clutch | — | 1980-09-23 |
| 4222472 | Fully automatic roller locking hub | — | 1980-09-16 |