Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7831167 | Handicap accessible removable control panel | Dawn M. Hess | 2010-11-09 |
| 7801459 | Handicap accessible office products | Dawn M. Hess | 2010-09-21 |
| 5709505 | Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants | Richard A. Williams, Ronald E. Hess, Michael T. Salotti, John F. Thomasser, Eliott N. Duffney +1 more | 1998-01-20 |
| 5655852 | High vacuum extraction of soil contaminants along preferential flow paths | Eliott N. Duffney, Paul M. Tornatore, Ronald E. Hess | 1997-08-12 |
| 5441365 | Apparatus and process for treating contaminated soil gases and liquids | Eliott N. Duffney, Paul M. Tornatore, Ronald E. Hess | 1995-08-15 |