Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293720 | Modular support structure for a control room work station | Richard M. Brice, Thomas M. Gattis, Kent R. Brewer | 1994-03-15 |
| 4824450 | Air filter apparatus | — | 1989-04-25 |
| 4391390 | Chemical-mixing and dispensing apparatus | — | 1983-07-05 |
| 4303420 | Air treatment apparatus | — | 1981-12-01 |
| 4284421 | Air-cleaning apparatus | — | 1981-08-18 |
| 4274845 | Air-cleaning, heat-exchange apparatus | — | 1981-06-23 |