Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976383 | Recycle process for removing dissolved heavy metals from water with aluminum particles | Stephen E. Lavalley | 1999-11-02 |
| 5545331 | Recycle process for removing dissolved heavy metals from water with iron particles | — | 1996-08-13 |
| 5462670 | Process for removing oils and greases from aqueous solution | — | 1995-10-31 |
| 5389262 | Process for removing heavy metals from solutions with ferrous dithionite and hydroxide | — | 1995-02-14 |
| 5298168 | Ferrous dithionite process and composition for removing dissolved heavy metals from water | — | 1994-03-29 |
| 5122279 | Ferrous dithionite process and compositions for removing dissolved heavy metals from water | — | 1992-06-16 |
| 5092967 | Process for forming printed circuits | — | 1992-03-03 |