Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840032 | Refrigerator, more particularly with Vuilleumier cycle, comprising pistons suspended by gas bearings | Gerard Claudet, Alain Ravex, Serge Reale | 1989-06-20 |
BD
Bernard Dewanckel
Overall (1989): #32,810 of 140,708Top 25%
1
Patents 1989