Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064022 | Electrostatic separation of particles | — | 2000-05-16 |
| 5967334 | In-situ self-cleaning feed system for separation equipment | Ricky A. White | 1999-10-19 |
| 5251762 | Electrostatic separation of particles | Joseph B. Taylor | 1993-10-12 |
| 5098558 | Adjustable feed accelerator for particle separator | Frank S. Knoll | 1992-03-24 |
| 4849099 | Particle feeding apparatus | Frank S. Knoll | 1989-07-18 |
| 4421148 | Device for feeding particulate material | Frank S. Knoll | 1983-12-20 |