Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11638924 | Spray gun cups, receptacles, lids, and methods of use | Anna M. Hegdahl, Stephen C. P. Joseph | 2023-05-02 |
| 11052208 | Exhaust valve shroud for a personal protection respiratory device | Desmond T. Curran, Benjamin H. Cooper | 2021-07-06 |
| 10689165 | Reservoir systems for hand-held spray guns and methods of use | Anna M. Hegdahl, Alexander T. Ebertowski, Scott D. Gullicks, Andrew R. Henry, Stephen C. P. Joseph | 2020-06-23 |