Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167833 | Rotary distributor/auxiliary backup drive mechanism for trickling filter systems | Bruce C. Deming | 1992-12-01 |
| 4216094 | Sector body for rotary disc dewatering apparatus | — | 1980-08-05 |