Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951825 | Apparatus for classifying particulate material | David Santwyk-Anderson | 1990-08-28 |
| 4858771 | Particle distributing and sorting method and apparatus | Alan Boyle, Alan M. Stone | 1989-08-22 |
| 4549659 | Particle sorting apparatus utilizing controllable corona discharge needle | Alan Boyle, Alan M. Stone | 1985-10-29 |
| 4320841 | Detection and sorting systems | Hilton P. Gordon, Arthur W. Richards, Alan Boyle | 1982-03-23 |