Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871567 | Dual Media air filter with electrostatic charge | Edward Allen Covington | 1999-02-16 |
| 5853445 | Interlocking dual filter | Johnny H. Wong, Gregory K. Rhyne | 1998-12-29 |
| 5720788 | Air filter element and air filter assembly employing the filter element | Ronald R. Puckett | 1998-02-24 |