Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085911 | Method and apparatus for extracting metallic contaminants from substrates | James W. Chester, Peter L. Rozelle, Matthew D. Dewees | 2000-07-11 |
| 5695642 | Method for purifying contaminated water | James W. Chester, Peter L. Rozelle, Matthew D. Dewees | 1997-12-09 |