Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681770 | Spinal treatment table with length adjustable contoured spinal support | — | 2004-01-27 |
| 4890690 | Exhaust gas muffler for a two-stroke engine | Hartmut Fischer, Jurgen Grassmuck, Michael Wissmann | 1990-01-02 |