Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813849 | Fluid pump with air inducer | Robert W. Johnson | 1989-03-21 |
| 4765889 | Moving bridge filter - telescoping floating pot skimmer | — | 1988-08-23 |
| 4594156 | Motorized surface scum skimmer for waste water treatment apparatus | Clyde Huntington | 1986-06-10 |