Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716649 | Method of making a sensor for a magnetic inductive flowmeter | Boudewijn J. Poortman, Kristian Rademacher-Dubbick, Abram Klaas Roskam, Udo Stevens, Wouter T. Tromp +3 more | 1988-01-05 |
| 4507975 | Measured-value sensors for magnetic-inductive flowmeters | Boudewijn J. Poortman, Kristian Rademacher-Dubbick, Abram Klaas Roskam, Udo Stevens, Wouter T. Tromp +3 more | 1985-04-02 |