Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279103 | Process for the purification of acidic metal-bearing waste waters to permissible discharge levels with recovery of marketable metal products | John O. Burckle, Rakesh Govind, Fred Kawahara, Richard Scharp | 2007-10-09 |