Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172793 | Vehicle brake with brake cylinder bore insert | Robert B. Temple, Donald D. Johannesen | 1992-12-22 |
| 4560368 | Single pin universal joint | William E. Sherman, II | 1985-12-24 |
| 4493675 | Universal joint | Scott D. Wisthuff | 1985-01-15 |