Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446887 | Portable medical waste plant | Royce Nelson, Eric B. Hawkins, Rick Wood, Ronald R. Mercer | 2002-09-10 |
| 6340240 | Drum mixer having isolated aggregate transport channels | Jianmin Zhang | 2002-01-22 |