Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8517731 | Pipe and universal coupling for supplying instruments for dental or surgical use | — | 2013-08-27 |
| 6495937 | Brushless electric machine with means for detecting the angular position of the rotor | — | 2002-12-17 |
| 6319003 | Quick fit revolving connecting unit for connecting a dental instrument to a power supply | — | 2001-11-20 |
| 6033220 | Multi-purpose revolving connecting assembly | — | 2000-03-07 |
| 4760317 | Electrical arrangement for driving a rotary tool fitted in a handpiece | Max Hetzel | 1988-07-26 |