Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576046 | Modular electrostatic precipitator system | Dean B. Pruette, David R. Phelps | 2003-06-10 |
| 5421863 | Self-cleaning insulator for use in an electrostatic precipitator | J. Clayton Rosser | 1995-06-06 |