Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865818 | Catalytic converter for automotive exhaust system | Richard P. Merry | 1989-09-12 |
PC
Philip D. Coates
Overall (1989): #68,997 of 140,708Top 50%
1
Patents 1989