Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015740 | Firearm construction employing three point bearing | John R. Jamison | 2011-09-13 |
| 6371305 | Method and apparatus for sorting recycled material | Fred M. Austin, Roy R. Miller | 2002-04-16 |
| 5960964 | Method and apparatus for sorting recycled material | Fred M. Austin, Roy R. Miller | 1999-10-05 |
| 5799801 | Method and apparatus for separating paper from cardboard | Roy R. Miller | 1998-09-01 |
| 5647473 | Method and apparatus for aligning and spacing articles on a conveyor belt | Roy R. Miller | 1997-07-15 |
| 5485925 | System and method for separating recycled debris | Roy R. Miller, Fred M. Austin | 1996-01-23 |
| 5484247 | Bag breaker | Roy R. Miller | 1996-01-16 |
| 5450966 | Multi-stage disc screen for classifying material by size | Roy R. Miller | 1995-09-19 |
| 4499992 | Self-cleaning support roller for an endless conveyor belt | Bernard S. Paulson, Bruce H. Paulson, Richard Briesemeister | 1985-02-19 |