Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240114 | Process for reclaiming gravel, soil particles, and wood pieces from a mixture of the same | Jim Parker | 1993-08-31 |
| 5110454 | Apparatus for reclaiming gravel, soil particles and wood pieces from a mixture of the same | Jim Parker | 1992-05-05 |