Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D314229 | Flush control valve | — | 1991-01-29 |
| 4832310 | Flush control valve | — | 1989-05-23 |
| D292120 | Combined ball cock and float | — | 1987-09-29 |
| 4600031 | Ball cock and float assembly | — | 1986-07-15 |
| 4479631 | Hydraulically balanced valve mechanism | Burton L. Preston | 1984-10-30 |
| 4453560 | Hydraulically balanced valve mechanism | Burton L. Preston | 1984-06-12 |