Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D566298 | Stackable precast concrete stairwell unit | Joseph A. Bornhorst, Vincent Combs, James J. Griffin, Benson T. Rhoads | 2008-04-08 |
| 5003685 | Method of making a clutch for a cooling fan of a motor vehicle | — | 1991-04-02 |
| 4899863 | Method of making a shaft for a clutch for a cooling fan of a motor vehicle | — | 1990-02-13 |
| 4741091 | Clutch for a cooling fan of a motor vehicle and method of making the same | — | 1988-05-03 |