Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511546 | Aqueous cleaning | Nelson E. Prieto, Michael E. Hayes, Byron A. Starkweather | 2003-01-28 |
| 5705472 | Neutral aqueous cleaning composition | Michael E. Hayes, Jacquelyn B. Coleman | 1998-01-06 |