Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873004 | Lubricating composition | Feike De Jong, Peter Sant | 1989-10-10 |
CB
Christiaan D. M. Beverwijk
Overall (1989): #38,673 of 140,708Top 30%
1
Patents 1989