Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960758 | Roller cam follower bearing shaft retention | Gary Blake | 1999-10-05 |
| 5931133 | Roller cam follower bearing shaft retention | Gary Blake, Richard B. Roe, Ralph Clayson | 1999-08-03 |
| 5263386 | Roller cam follower guide | Darryl J. Campbell, Creighton A. Mantey, Jr., Richard C. Pickelhaupt, Rick C. Wirth | 1993-11-23 |
| 5090364 | Two-step valve operating mechanism | Michael E. McCarroll, Mark J. Spath, Mark A. Shost, Timothy W. Kunz, John Castellana | 1992-02-25 |