Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8777190 | Wet scrubber tray | Ronald B. Johnson, David Peterson, J. Jeffrey Kidwell | 2014-07-15 |
| 8413967 | Wet scrubber tray | Ronald B. Johnson, David Peterson, J. Jeffrey Kidwell | 2013-04-09 |
| 7707782 | Absorber tower metal hood to concrete shell attachment | David Peterson, Gary W. Diefendorff, Bruce P. Guilliams | 2010-05-04 |