Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D625775 | Airless spray tip guard | Daniel R. Johnson, Diane L. Olson | 2010-10-19 |
| D607968 | HVLP sprayer | Craig J. Wojciechowski, Diane L. Olson | 2010-01-12 |
| D604393 | Paint spray gun | Daniel R. Johnson, Pamela J. Muetzel, Diane L. Olson | 2009-11-17 |