Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361050 | Device for measuring the flow rate of a fluid and air flow sensor system in an internal combustion engine utilizing such a device | Pierre Hartemann | 1982-11-30 |
| 4344051 | Elastic surface wave transducer and filter incorporating such a transducer | — | 1982-08-10 |
| 4331022 | Sensor using two tunable oscillators connected to a frequency mixer comprising a device for calibrating the frequency of the output signal and a process for calibrating this frequency | Pierre Hartemann | 1982-05-25 |