Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995643 | Device for fixing a water meter on to a base and method relating thereto | Alain Rappart, Henri Loosdregt, Paul Pershon | 1991-02-26 |
| 4819482 | Device for connecting and supporting a water-meter | Alain Rappart, Henri Loosdregt, Paul Persohn | 1989-04-11 |
| 4798239 | Device for the protection against freezing of installations for the storage or the supply of a freezing liquid, in particular water | Paul Persohn | 1989-01-17 |