Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626749 | Apparatus for centrifuging of a liquid packaged in flexible-walled bags connected to at least one filter | Jean-Claude Letourneur | 1997-05-06 |
| 4449572 | Subterranean heating and cooling system | — | 1984-05-22 |
| 4369635 | Subterranean heating and cooling system | — | 1983-01-25 |
| 4279291 | Subterranean heating and cooling system | — | 1981-07-21 |