Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655692 | Dispensing mechanism with quick-connect auger shaft coupling | James P. Navin | 1997-08-12 |
| 5637231 | Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants | Frederick J. Hoitash | 1997-06-10 |