Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175352 | Aircraft ground power plug force tester | Preston D. Shultz | 2021-11-16 |
| D934799 | Portable 400 hertz power distribution unit | Preston D. Shultz | 2021-11-02 |
| 10938171 | Portable power distribution unit for 400 hertz power | Preston D. Shultz | 2021-03-02 |