Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651770 | Ceramic disc faucet valve | Willard A. Denham, Rodolfo J. Viegener | 1987-03-24 |
| 4445529 | Adjustable valve handle | — | 1984-05-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651770 | Ceramic disc faucet valve | Willard A. Denham, Rodolfo J. Viegener | 1987-03-24 |
| 4445529 | Adjustable valve handle | — | 1984-05-01 |