Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846051 | Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication | Wallace R. Wade, Vemulapalli D. N. Rao | 1989-07-11 |
PH
Peter H. Havstad
Overall (1989): #69,829 of 140,708Top 50%
1
Patents 1989