Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322299 | Method of simultaneous air-water wash of multiple-media filters | James C. Young | 1982-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322299 | Method of simultaneous air-water wash of multiple-media filters | James C. Young | 1982-03-30 |