Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824570 | Apparatus for the extraction of constituents by a supercritical fluid or pressurized liquid | Louis Bethuel, Maurice Carles | 1989-04-25 |
RN
Roger Neige
Overall (1989): #61,918 of 140,708Top 45%
1
Patents 1989