Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443633 | Soil treatment with polymeric hydrogen siloxane | Pierre Hirsbrunner | 1995-08-22 |
DR
Denys Roulin
Overall (All Time): #3,778,183 of 4,157,543Top 95%
1
Patents All Time