Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673438 | Ear shield assembly | — | 1997-10-07 |
| 4592841 | Equipment and process for the treatment of swimming pool water with a semi-permeable membrane | Bernard Ancelle | 1986-06-03 |