Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427547 | Backwashing-type filtering apparatus with filter support grid of ring-like segments | Wendell R. Miller | 1984-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427547 | Backwashing-type filtering apparatus with filter support grid of ring-like segments | Wendell R. Miller | 1984-01-24 |