Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10312840 | Control circuit and control method for a synchronous machine | Volker HILL | 2019-06-04 |
| 6722881 | Pneumatic-electric converter for dental instruments | Karl-Heinz Lehmann | 2004-04-20 |
| 5167660 | HF surgery device | — | 1992-12-01 |
| 4866356 | Circuit for controlling the speed of a subfractional horsepower DC motor | — | 1989-09-12 |
| 4840563 | Dental equipment having means for delivering RF and LF energy to a dental handpiece | — | 1989-06-20 |