Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554188 | Anti-viral dry cleaning process | Andrew T. Lien, Timothy R. Maxwell | 2023-01-17 |
| 6071188 | Damper and exhaust system that maintains constant air discharge velocity | Charles H. O'Neill, Norman Goldschmidt | 2000-06-06 |