Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859989 | Fluid treatment system | Boyko M. Tchavdarov, Mike Marcu, Richard Gratton, David A. Olson, Jim Fraser +1 more | 2014-10-14 |
| 8507874 | Fluid treatment system | Boyko M. Tchavdarov, Mike Marcu, Richard Gratton, David A. Olson, Jim Fraser +1 more | 2013-08-13 |
| 8148699 | Fluid treatment system | Boyko M. Tchavdarov, Mike Marcu, Richard Gratton, David A. Olson, Jim Fraser +1 more | 2012-04-03 |
| 7408174 | Fluid treatment system | Boyko M. Tchavdarov, Mike Marcu, Richard Gratton, David A. Olson, Jim Fraser +1 more | 2008-08-05 |