Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613202 | Tank batch electrochemical water treatment process | Robert J. Herbst, Keith Wilkerson | 2003-09-02 |
| 6135293 | Water/sludge filter press | Robert J. Herbst | 2000-10-24 |
| 5904843 | Apparatus for removing solids from a stream of water | — | 1999-05-18 |