Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672869 | Plug connection for jaw stump models | Norbert Rabenstein, Wilfried Hentschel, Egbert Kremer | 2004-01-06 |
| 5833462 | Precision attachments for dental technology capable of being cast on | Bernd Kempf, Hans-Martin Ringelstein, Alexander Voelcker | 1998-11-10 |
| 4840249 | Apparatus for srewing a cover onto a screw neck of a hearing aid | Christof Haertl, Peter Nassler | 1989-06-20 |
| 4834927 | Method and apparatus for producing an ear impression | Christof Haertl, Peter Nassler | 1989-05-30 |
| 4828777 | Method and apparatus for the manufacture of an otoplastic shell | — | 1989-05-09 |
| 4739512 | Hearing aid | Christof Hartl, Peter Nassler, Hans-Joachim Weiss | 1988-04-19 |