Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263386 | Roller cam follower guide | Creighton A. Mantey, Jr., Richard C. Pickelhaupt, Guy Ernest Giannone, Rick C. Wirth | 1993-11-23 |
DC
Darryl J. Campbell
Overall (All Time): #3,838,033 of 4,157,543Top 95%
1
Patents All Time