Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019568 | Spill gate for trailer tipper | — | 2000-02-01 |
| 5509723 | Portable rotary trailer tipper | — | 1996-04-23 |
| 5458451 | Trailer dumper | David J. Miller | 1995-10-17 |
| 5344271 | Trailer dumper | David J. Miller | 1994-09-06 |
| 5080548 | Trailer dumper | David J. Miller | 1992-01-14 |