Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10652042 | Dual-mode controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2020-05-12 |
| 10630503 | Dual-mode controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2020-04-21 |
| 10630504 | Dual-mode controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2020-04-21 |
| 10411909 | Dual-mode controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2019-09-10 |
| 10374823 | Dual-mode controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2019-08-06 |
| 9832036 | Dual-mode vehicular controller | David Lieberman, Byron W. Tietjen, Greg Gardella | 2017-11-28 |
| 8781656 | Vehicular dual mode master/slave interface | David Lieberman, Byron W. Tietjen, Greg Gardella | 2014-07-15 |
| 8433463 | Vehicular dual mode master/slave interface | David Lieberman, Byron W. Tietjen, Greg Gardella | 2013-04-30 |
| 6896606 | Drywall sanding implement | Clifford F. Dawson | 2005-05-24 |