Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9561481 | Multi-chemical dispensing device | James Michael Schlueter | 2017-02-07 |
| 7331488 | Multi-chemical dispensing system | James Schuleter | 2008-02-19 |
| 6648003 | Backflow preventer | Bruce Weber | 2003-11-18 |
| 6607174 | Dispensing apparatus with in-line actuator | Bruce Weber | 2003-08-19 |
| 5797420 | Proportioner | Michael L. Nowicki | 1998-08-25 |
| 5518020 | Proportioner | Michael L. Nowicki | 1996-05-21 |