Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203890 | Reduced power consumption electromagnetic lock | Randall Shaffer | 2021-12-21 |
| 10964467 | Solenoid assembly with included constant-current controller circuit | Randall Shaffer | 2021-03-30 |