Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006055 | Apparatus for manufacturing an otoplastic | Helmut Lebisch, Rainer Basel, Hermann Dietmar, Ernst Wipfelder, Wilhelm Hekele | 1991-04-09 |
| 4871502 | Method for manufacturing an otoplastic | Helmut Lebisch, Rainer Basel, Hermann Dietmar, Ernst Wipfelder, Wilhelm Hekele | 1989-10-03 |