Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753757 | Actuation device | Leonhard Lerchner | 2004-06-22 |
| 5878611 | Flat key | Leonhard Lerchner | 1999-03-09 |
| 5826450 | Locking device | Leonhard Lerchner | 1998-10-27 |
| 4476765 | Electronic music signal generator | Hanspeter Hentzschel | 1984-10-16 |