Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882539 | Monitoring system for electrodynamic wall-thickness and defect testing using a delay line | Joerg Quittkat | 1989-11-21 |
| 4713201 | Process for the preparation of salts of a dicarboxylic acid and a diamine | Georg Pilz, Gert Buerger, Manfred Barl | 1987-12-15 |
| 4713437 | Salt of oxaalkylenediamine with dicarboxylic acid, containing hydrazine, preparation, and nylon prepared therefrom | Georg Pilz, Gert Buerger, Manfred Barl | 1987-12-15 |
| 4620162 | Tunable triangle wave generator with two-phase sinusoidal outputs | Jorg Quittkat, Ruth Ursula | 1986-10-28 |
| 4233234 | Continuous manufacture of an aqueous solution of a salt of an alkanedicarboxylic acid and an alkanediamine | Rudi-Heinz Rotzoll, Paul Duffner, Ernst Dietl, Georg Pilz | 1980-11-11 |