Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10195623 | Marker airbrush | Douglas Brand, Thomas R. Rau, Adam Sandt, John D. McBride, Jr. | 2019-02-05 |
| 10081027 | Marker airbrush | Douglas Brand, Thomas R. Rau, Adam Sandt, John D. McBride, Jr. | 2018-09-25 |
| 9713815 | Marker airbrush | Douglas Brand, Thomas R. Rau, Adam Sandt, John D. McBride, Jr. | 2017-07-25 |