Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273005 | Enlarged shaft roller lifter with retention means | Charles M. Philo, Mark Kaminski, Donald E. Wilcox | 1993-12-28 |
PL
Philip E. Lenhart
Overall (All Time): #3,840,534 of 4,157,543Top 95%
1
Patents All Time