Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698045 | Method of cleaning polymer residues with NMP | William C. Walsh, Mark W. Waldrop, William P. Monahan | 1997-12-16 |
| 5641361 | Method for removing and reclaiming excess uncured paint from a paint spray booth | William C. Walsh | 1997-06-24 |