Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698775 | Device for locating the position of the separation between two mediums, and a receptacle and a detection process employing the device | Herve Philip | 1997-12-16 |
| 5674383 | Filter for the purification of water | Herve Philip | 1997-10-07 |