Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113131 | System and method for controlling subsurface soil injection apparatus | Michael A. Allan, Edward G. Salla, Frank V. Sances | 2012-02-14 |
| 8047146 | Subsurface soil injection apparatus and method | Michael A. Allan | 2011-11-01 |
| 7908982 | Subsurface soil injection apparatus with improved delivery device | Michael A. Allan, Edward G. Salla, Frank V. Sances | 2011-03-22 |
| 7748331 | Subsurface soil injection method | Michael A. Allan | 2010-07-06 |
| 7712423 | Subsurface soil injection apparatus with improved delivery device | Michael A. Allan, Edward G. Salla, Frank V. Sances | 2010-05-11 |
| 7490564 | Subsurface soil injection apparatus with improved delivery device | Michael A. Allan, Edward G. Salla, Frank V. Sances | 2009-02-17 |
| 7255049 | Subsurface soil injection method | Michael A. Allan | 2007-08-14 |
| 6990912 | Subsurface soil injection apparatus | Michael A. Allan | 2006-01-31 |