Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327682 | Fence clip installation tool | Brandon William Miller | 2012-12-11 |
| 6481740 | Ball and socket trailer hitch assembly | John D. Hull, James M. Gruidel, Lynn D. Alber, Todd J. Yost, Thomas G. Johnson | 2002-11-19 |
| 5184358 | Bathing tub construction with removable side wall | James A. Gruidel, Thomas G. Johnson | 1993-02-09 |
| 5172455 | Buckle and belt assembly construction for patient restraint | Thomas G. Johnson, James M. Gruidel | 1992-12-22 |
| 4236052 | Dead man switch for a winch | — | 1980-11-25 |
| 4215850 | Winch | Norman D. Brockelsby, Daniel W. Pike | 1980-08-05 |