Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211333 | Heating system for vehicles | Dietrich Schmalenbach | 1993-05-18 |
| 5048752 | Method and apparatus for heat carrier circulation for a vehicle heating system having a heater independent of the engine | Dietrich Schmalenbach | 1991-09-17 |