Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247834 | Density measuring apparatus | — | 1993-09-28 |
| 5027645 | Measuring device for determining distance | Klaus Leitmeier, Rudolf Zeiringer | 1991-07-02 |
| 4962328 | Charge amplifier circuit with drift compensation | Klaus Leitmeier | 1990-10-09 |
| 4370884 | Operational testing device for inlet valves and outlet valves of reciprocating engines | Erich Schreiber | 1983-02-01 |