Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300131 | Compact scrubber | — | 1994-04-05 |
| 4787920 | Scrubber filter | — | 1988-11-29 |
| 4736816 | Noise-suppressing air intake for ventilation fans | Dencil J. Hughes, Kenneth A. Neely | 1988-04-12 |