Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10371822 | Antenna array calibration | Charles Apker, Steven J. Pratt, David D. Schmidt, Matthew Wayne Stafford, Scott O. Sorber | 2019-08-06 |
| 9525308 | Emergency door release with backup power | Brent Buescher | 2016-12-20 |
| 4638278 | Magnetic detector apparatus | — | 1987-01-20 |