Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876606 | Treatment of contaminated water | Carol J. Ptacek, Michael John Baker | 1999-03-02 |
| 5514279 | System for treating contaminated groundwater | Carol J. Ptacek | 1996-05-07 |
| 5362394 | System for treating contaminated groundwater | Carol J. Ptacek | 1994-11-08 |
| 4990031 | Treatment of mine tailings | Carol J. Ptacek | 1991-02-05 |