Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702631 | Aqueous corrosion inhibitor formulations | John J. Conville, Robert Chwalik, Shrikant V. DeSai, James T. Lyon | 1997-12-30 |
| 5673733 | Engine coolant removal and refill method and device | John J. Conville, Stephen M. Zeld, Daniel E. Coker, James T. Lyon | 1997-10-07 |
| 5649574 | Engine coolant removal and refill method and device | John J. Conville, Stephen M. Zeld, Daniel E. Coker, James T. Lyon | 1997-07-22 |