Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233101 | Equipment for injecting a gas into a cesspool | Robert Briend, Ulrich Butz, Philippe Campo, Frédéric Savreux, David Maret +1 more | 2019-03-19 |
| 9731988 | Equipment for injecting a gas into a cesspool | Robert Briend, Ulrich Butz, Philippe Campo, Frédéric Savreux, David Maret +1 more | 2017-08-15 |