Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10549954 | Elevator system having linear drive | David Ginsberg | 2020-02-04 |
| 10532911 | Motor drive having dual inverter system connected to first and second stator sections | — | 2020-01-14 |
| 10530276 | Converter topologies and control | Hengsi Qin, Patrick L. Chapman | 2020-01-07 |