Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075537 | Controlling and monitoring circuit for electrical seat heating means, especially of automotive vehicles | Gunter Lorenzen | 1991-12-24 |
| 4869550 | Flat heater for incorporation in seats of vehicles | Gunter Lorenzen | 1989-09-26 |