Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7621283 | Appliance methods and apparatus | Martin Mitchell Zentner, Ronald Scott Tarr, Errin Whitney Gnadinger | 2009-11-24 |
| 7390413 | Water softener system and method | Martin Mitchell Zentner, Scott Tarr, Jessica Schroeder | 2008-06-24 |