Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865537 | Ground stabilization grid | — | 2020-12-15 |
| D904318 | Control pendant | Douglas S. Ryder | 2020-12-08 |
| 10705554 | Solenoid valve for a portable hydraulic power unit | Mariusz J. Luczak, Barry W. Mattson, Douglas S. Ryder, Bret A. Deneson, Christopher A. Lins | 2020-07-07 |
| 10656669 | Trigger guard and pendant for a portable hydraulic power unit | Douglas S. Ryder | 2020-05-19 |