Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851818 | Electronic controller for a water purifying unit | Barry M. Brown, Evan A. Edwards, William T. Fearnside | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851818 | Electronic controller for a water purifying unit | Barry M. Brown, Evan A. Edwards, William T. Fearnside | 1989-07-25 |