Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10881989 | Self-cleaning, groutless, filter underdrain | Dean T. Berkebile, Scott R. Cable, John L. Geibel, Robert J. Green, Howard J. Sweeney | 2021-01-05 |
| 10881990 | Filter media retainer and underdrain system having a filter media retainer | John L. Geibel, Robert J. Green, Howard J. Sweeney | 2021-01-05 |