Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966749 | Adjustable flush valve | Oscar Dufau, John C. McKay, Steven E. Maple, Adolf Schoepe | 1999-10-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966749 | Adjustable flush valve | Oscar Dufau, John C. McKay, Steven E. Maple, Adolf Schoepe | 1999-10-19 |