Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366710 | Process for removing nitrogen oxides and sulfur oxides from gaseous stream | Chaoliang Yao | 1994-11-22 |
| 5318116 | Vacuum method for removing soil contaminants utilizing thermal conduction heating | Harold J. Vinegar, George Leo Stegemeier, Eric Pierre de Rouffignac | 1994-06-07 |