Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332497 | Nozzleless underdrain for granular filtration system | J. Holland Scott | 1994-07-26 |
| 5286392 | Launder with baffle system and regulatable air discharge structure | — | 1994-02-15 |