Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778493 | Electrostatic precipitator with means for the enhanced charging and collection of fine particles | James E. Drummond | 1988-10-18 |
| 4364752 | Electrostatic precipitator apparatus having an improved ion generating means | Joseph T. Roe | 1982-12-21 |
| 4349359 | Electrostatic precipitator apparatus having an improved ion generating means | James E. Drummond, Alfred A. Mondelli | 1982-09-14 |
| 4236900 | Electrostatic precipitator apparatus having an improved ion generating means | James E. Drummond, Alfred A. Mondelli | 1980-12-02 |