Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886934 | Process for the conversion of a hydrocarbonaceous feedstock | Ian E. Maxwell | 1989-12-12 |
JM
Johannes K. Minderhoud
Overall (1989): #93,930 of 140,708Top 70%
1
Patents 1989