Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10482703 | Earplug dispenser with asymmetric mixing body | David M. Rudek, Guenter M. Zilligen | 2019-11-19 |
| 5643004 | Electric connection contact in a single piece | Hans-Dieter Otto, Thomas Wabnitz | 1997-07-01 |