Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851141 | Concentrated stable nonaqueous fabric softener composition | Michel Julemont, Marie-Helene Fraikin | 1989-07-25 |
YD
Yvon Demangeon
Overall (1989): #39,106 of 140,708Top 30%
1
Patents 1989