Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358445 | Variable angle torque transmitting coupling device | — | 1994-10-25 |
| 4824056 | Suspension system hanger means formed by cold forming processes | Ova A. Helton, Albert R. Roggeman, Thomas P. Switzer | 1989-04-25 |
| 4324596 | Method for substantially cold working nonheat-treatable aluminum alloys | — | 1982-04-13 |