Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6079695 | Butterfly valve construction | David Stephan, Filiberto Jimenez | 2000-06-27 |
| 5975494 | Replaceable seal members for butterfly valve | — | 1999-11-02 |
| 5871203 | Replaceable seal members for butterfly valve | — | 1999-02-16 |
| 5707040 | Replaceable seal members for butterfly valve | — | 1998-01-13 |