Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081558 | UV light disinfection and post-aeration device for a wastewater treatment system | Mark Fehring, Sr., Mark Fehring, Jr., Michael Fehring, Jeff Luthman | 2018-09-25 |
| 8431019 | Wastewater treatment system | David Clinkscales, Jeff Luthman | 2013-04-30 |