Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5706970 | Arrangement of an equalizing tank on a water tank of a cooler | Helmut Dobler | 1998-01-13 |
| 4739730 | Cooling system balancing reservoir arrangement | Helmut Dobler | 1988-04-26 |
| 4738228 | Cooling system balancing reservoir | Helmut Dobler | 1988-04-19 |