Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556448 | Electrostatic precipitator that operates in conductive grease atmosphere | John T. Grady, Jr., Victor L. Sellers, Kevin Lefler, Robert S. Wilks | 1996-09-17 |
| 5474599 | Apparatus for electrostatically cleaning particulates from air | Wendell P. Spurgin | 1995-12-12 |
| 5330559 | Method and apparatus for electrostatically cleaning particulates from air | Wendell P. Spurgin | 1994-07-19 |
| 4781736 | Electrostatically enhanced HEPA filter | Wendell P. Spurgin | 1988-11-01 |