Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820752 | Methods and apparatus for recycling used antifreeze/coolant | Stephen M. Woodward, Aleksei V. Gershun, Peter M. Woyciesjes, Robert J. Rosvally | 1998-10-13 |
| 5809945 | Drain-and-fill methods and apparatus for automotive cooling systems | Richard F. Creeron, Jerry Motard | 1998-09-22 |