Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330722 | Germicidal air filter | Kerby F. Fannin | 1994-07-19 |
| 5108470 | Charging element having odor and gas absorbing properties for an electrostatic air filter | — | 1992-04-28 |
| 5059218 | Construction for supporting a flexible sheet | — | 1991-10-22 |
| 4978372 | Pleated charged media air filter | — | 1990-12-18 |