Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435346 | Device for treating and conditioning engine coolant | John Tregidgo, Francis J. Regina, Arthur T. Walsh, Ronald P. Rohrbach, Thirumalai G. Palanisamy +1 more | 1995-07-25 |
| 5094745 | Coolant filter with inhibitor pack | — | 1992-03-10 |