Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876020 | Lubricating oil composition | Brian Dudley Coleman | 1989-10-24 |
AZ
Arie Zon
Overall (1989): #130,648 of 140,708Top 95%
1
Patents 1989