Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993512 | Method and system for recycling byproduct streams from metal processing operations | John K. Pargeter, Dale A. Zuck | 1999-11-30 |
| 5665140 | Method for the production of iron carbide | John K. Pargeter | 1997-09-09 |
| 5516358 | Method for the production of iron carbide | John K. Pargeter | 1996-05-14 |