Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462918 | Lubricating oil composition | Peter H. D. Matthews | 1984-07-31 |
DM
Derek W. Morecroft
Overall (All Time): #4,038,589 of 4,157,543Top 100%
1
Patents All Time