Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355175 | Method for separating and isolating precious metals from non precious metals dissolved in solutions | Dennis H. Green, Jeff Mueller | 2002-03-12 |
| D434008 | Component housing | John Kovach | 2000-11-21 |
| 5533833 | Bulk backfill in situ liner for hard rock environment | — | 1996-07-09 |