Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796310 | Bathtub drain valve control and overflow plate | Robert Freville | 1989-01-10 |
| D277696 | Combined overflow hood and drain control | Donald W. Doman | 1985-02-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796310 | Bathtub drain valve control and overflow plate | Robert Freville | 1989-01-10 |
| D277696 | Combined overflow hood and drain control | Donald W. Doman | 1985-02-19 |