Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885139 | Combined electrostatic precipitator and acidic gas removal system | Leslie E. Sparks | 1989-12-05 |
| 4822381 | Electroprecipitator with suppression of rapping reentrainment | Ronald B. Mosley, Leslie E. Sparks | 1989-04-18 |