Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495756 | Cylindrical chamber for liquid meter with oscillating piston | Fre/ de/ ric Walch | 1996-03-05 |
| 4811600 | Device for making flowmeter tamperproof | — | 1989-03-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495756 | Cylindrical chamber for liquid meter with oscillating piston | Fre/ de/ ric Walch | 1996-03-05 |
| 4811600 | Device for making flowmeter tamperproof | — | 1989-03-14 |