Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644483 | Apparatus for determining the transit time of ultrasonic pulses in a fluid | Werner Hartmann | 1987-02-17 |
| 4576047 | Apparatus for determining the transit time of ultrasonic pulses in a fluid | Werner Hartmann | 1986-03-18 |
| 4436364 | Piezoelectric apparatus for producing rotary oscillation of a mirror | Dietmar Pfefferle | 1984-03-13 |
| 4319716 | Piezoelectric fluid atomizer | — | 1982-03-16 |