Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4259294 | Apparatus for the hydrogenation of heavy hydrocarbon oils | Abraham A. Pegels, Joannes B. Wijffels | 1981-03-31 |
WL
Wouter C. Van Zijll Langhout
Overall (All Time): #4,086,758 of 4,157,543Top 100%
1
Patents All Time