Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307769 | Low mass roller valve lifter assembly | Richard Meagher, Thomas Braun | 1994-05-03 |
| 5263386 | Roller cam follower guide | Darryl J. Campbell, Creighton A. Mantey, Jr., Richard C. Pickelhaupt, Guy Ernest Giannone | 1993-11-23 |
| 4724804 | Engine valve train module | — | 1988-02-16 |
| 4724805 | Engine valve train module | Charles M. Philo | 1988-02-16 |
| 4721074 | Engine valve train module | Edward L. DeKiep | 1988-01-26 |
| 4481913 | Hydraulic lash adjuster oil metering ball valve | — | 1984-11-13 |