Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043080 | Treating contaminated effluents and groundwaters | Stephen R. Cater, J. Adele Buckley, R. D. Samuel Stevens | 1991-08-27 |
| 4863687 | Method for removing malodorous or toxic gases from an air stream | Samuel R. D. Stevens | 1989-09-05 |
| 4793931 | Process for treatment of organic contaminants in solid or liquid phase wastes | R.D. Samuel Stevens | 1988-12-27 |