Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10954100 | Lithium-ion battery charging system for a battery powered elevator system | Robert Mason Darling | 2021-03-23 |
| 10892499 | Flow battery flow field having volume that is function of power parameter, time parameter and concentration parameter | Robert Mason Darling, Michael L. Perry, Zhongfen Ding | 2021-01-12 |