Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995643 | Device for fixing a water meter on to a base and method relating thereto | Henri Loosdregt, Paul Pershon, Philippe Persohn | 1991-02-26 |
| 4819482 | Device for connecting and supporting a water-meter | Henri Loosdregt, Paul Persohn, Philippe Persohn | 1989-04-11 |