Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414240 | Water treatment system | Dennis J. Kool, Matthew H. Hess, John M. Stark, Donald J. Staufenberg, Dale Aberegg | 1999-09-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414240 | Water treatment system | Dennis J. Kool, Matthew H. Hess, John M. Stark, Donald J. Staufenberg, Dale Aberegg | 1999-09-21 |