Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424952 | Metering unit | David Thomson | 1984-01-10 |
| 4313350 | Anti-scald apparatus for a tub and shower single control faucet | Robert J. Keller, III, Brian G. Fox | 1982-02-02 |
| 4220175 | Anti-scald apparatus for a tub and shower single control faucet | Robert J. Keller, III, Brian G. Fox | 1980-09-02 |