Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318116 | Vacuum method for removing soil contaminants utilizing thermal conduction heating | Harold J. Vinegar, George Leo Stegemeier, Charles C. Chou | 1994-06-07 |
ER
Eric Pierre de Rouffignac
Overall (1994): #137,893 of 165,921Top 85%
1
Patents 1994