Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D934383 | Electrostatic spray gun | Amelia J. Stech, Elisa J. McCline, Mark E. Ulrich | 2021-10-26 |
| D929539 | Electrostatic spray gun | Amelia J. Stech, Elisa J. McCline, Mark E. Ulrich | 2021-08-31 |
| D920486 | Transparently-wrapped electrostatic sprayer fluid tube | Mark E. Ulrich | 2021-05-25 |
| 10926834 | Assistive driving system for a wheelchair and method for controlling assistive driving system | Benjamin Phillip Hemkens, William Alexander Emfinger, Liyun Guo | 2021-02-23 |