Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371305 | Method and apparatus for sorting recycled material | Roy R. Miller, Brian K. Clark | 2002-04-16 |
| 6149018 | Method and apparatus for sorting recycled material | Roy R. Miller, Brian J. Clark | 2000-11-21 |
| 5960964 | Method and apparatus for sorting recycled material | Roy R. Miller, Brian K. Clark | 1999-10-05 |
| 5485925 | System and method for separating recycled debris | Roy R. Miller, Brian K. Clark | 1996-01-23 |
| 4359156 | Belt conveyor | — | 1982-11-16 |