Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572817 | Ozone enhancing system | William Michael Fields | 2003-06-03 |
| 6251287 | Apparatus and method for treating liquids | William Michael Fields | 2001-06-26 |
| 5795442 | Sealing device for a twin wire dewatering apparatus | William Michael Fields | 1998-08-18 |