Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809945 | Drain-and-fill methods and apparatus for automotive cooling systems | Norman D. Berke, Jerry Motard | 1998-09-22 |
| 5804063 | Cooling system change-over apparatus and process | Aleksei V. Gershun, Stephen M. Woodward, Peter M. Woyciesjes | 1998-09-08 |
| 5571420 | Cooling system change over apparatus and process | Aleksei V. Gershun, Stephen M. Woodward, Peter M. Woyciesjes | 1996-11-05 |
| 5540327 | Antifreeze/coolant replacement kit | — | 1996-07-30 |
| 5099804 | Pressure relief device for cooling systems | — | 1992-03-31 |
| 5090458 | Cleaning apparatus and method | — | 1992-02-25 |
| 4949765 | Cleaning apparatus and method | — | 1990-08-21 |