Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512074 | Air filter assembly | Robert S. Hanni, Robert R. Raber | 1996-04-30 |
| 4339782 | Supersonic jet ionizer | Richard Teague | 1982-07-13 |
| 4266948 | Fiber-rejecting corona discharge electrode and a filtering system employing the discharge electrode | Richard Teague | 1981-05-12 |