Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399554 | Method and apparatus for inspecting engine head valve retainer assemblies for missing keys | Walton A. Perkins, III, Robert Dewar, James K. West | 1983-08-16 |
LR
Lothar Rossol
Overall (All Time): #4,056,276 of 4,157,543Top 100%
1
Patents All Time