Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252303 | Apparatus for sterilizing objects having chamber wall as heater | — | 1993-10-12 |
| 4992048 | Tool for cleansing tooth root canals | — | 1991-02-12 |
| 4732563 | Power unit, in particular for dental instruments, and tool unit for use in connection with such power unit | — | 1988-03-22 |
| 4696644 | Tooth cleaning instrument | — | 1987-09-29 |
| 4580562 | Electrosurgical apparatus | Jens Hansen | 1986-04-08 |
| 4374374 | Electric contact device | — | 1983-02-15 |
| 4317072 | Electric motor with rotational speed regulation | Jens Hansen | 1982-02-23 |
| 4225803 | Apparatus for removing material coatings from interior surfaces of containers | — | 1980-09-30 |
| 4205236 | Finger operated control system for hand-held appliances | — | 1980-05-27 |