Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047725 | Adjustable height fill valve | Tim A. Frick, Ross E. Kingman, Edward D. Kastelic | 2000-04-11 |
| 4709721 | Integral base refill system ballcock assembly | — | 1987-12-01 |
| 4573495 | Hydrostatic ballcock assembly | Charles T. Rothe | 1986-03-04 |