Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416666 | Simplified filtration system | William A. Greene, Richard G. Hayes | 2002-07-09 |
| 6165365 | Shear localized filtration system | William A. Greene, Kenneth Wayne Severing, Richard G. Hayes | 2000-12-26 |
| 5200076 | Easily disassembled rotor system | — | 1993-04-06 |