Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136144 | Method of removing sulfur from a process gas stream using a packed bed calcinator | Richard J. Martin | 2000-10-24 |
| 5770784 | Systems for the treatment of commingled wastes and methods for treating commingled wastes | Ann C. Heywood, Mark Holst, Richard J. Martin | 1998-06-23 |