Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951346 | Methods and systems for reducing particulate matter in a gaseous stream | Tom Girdlestone, Steven De Cicco, William Epling, Jerald A. Cole | 2011-05-31 |
| 6521196 | Process and catalyst/sorber for treating sulfur compound containing effluent | Larry E. Campbell | 2003-02-18 |
| 6037307 | Catalyst/sorber for treating sulfur compound containing effluent | Larry E. Campbell | 2000-03-14 |
| 5953911 | Regeneration of catalyst/absorber | Eugene D. Guth, Larry E. Campbell | 1999-09-21 |
| 4363873 | Photographic contrast enhancers | John R. Boon | 1982-12-14 |