Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993512 | Method and system for recycling byproduct streams from metal processing operations | John K. Pargeter, Mark S. Mazanek | 1999-11-30 |
| 5290535 | Process for recycling saltcake | Gene J. Kulik, Henry C. Johns | 1994-03-01 |