Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396744 | Electrically induced radon barriers | — | 1995-03-14 |
| 4822381 | Electroprecipitator with suppression of rapping reentrainment | Leslie E. Sparks, Norman Plaks | 1989-04-18 |