Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343765 | Method for deodorizing and disinfecting air | David Hurst | 1982-08-10 |
| 4278450 | Method for the recovery of clean pyrolysis off-gas and a rotary recycling means therefor | David Hurst | 1981-07-14 |