Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189898 | Heavy duty auxiliary tower for a repair rack | — | 1993-03-02 |
| 5001798 | Drive-on vehicle supporting arrangement | — | 1991-03-26 |
| 4920597 | Drive-on vehicle supporting arrangement | — | 1990-05-01 |
| 4691443 | Drive-in, drive-out vehicle alignment system | Robert L. Donahue | 1987-09-08 |
| 4663855 | Drive-in, drive-out vehicle alignment system | Robert L. Donahue | 1987-05-12 |