Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138519 | Flow guide for a turbine wheel gas meter | Franciscus Johannes Gerardus Maria Oostendorp | 2000-10-31 |
| 5996405 | Measuring device provided with rotary pistons | Harmen H. Dijstelbergen | 1999-12-07 |
| 5596152 | Flow straightener for a turbine-wheel gasmeter | Franciscus J. G. M. Oostendoys | 1997-01-21 |