Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575195 | Bypass valve | — | 2003-06-10 |
| 6491181 | Center opening treatment tank | Bradley S. Martin, Andrew J. Kajpust | 2002-12-10 |
| 6457698 | Bypass valve | — | 2002-10-01 |
| 6032821 | Center opening treatment tank | Bradley S. Martin, Andrew J. Kajpust | 2000-03-07 |