Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932518 | Electric motor starter | Frank Zeitler | 2021-10-05 |
| D919567 | Inverter controller for electric motor | Frank Zeitler | 2021-05-18 |
| D912096 | Electric motor starter | Frank Zeitler | 2021-03-02 |