Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9685278 | Energy storage devices having enhanced specific energy and associated methods | Charles W. Holzwarth, Cary L. Pint, Michael Graf | 2017-06-20 |
| 9640332 | Hybrid electrochemical capacitor | Donald S. Gardner, Chunlei Wang, Yang Liu, Zhaohui Chen, Charles W. Holzwarth | 2017-05-02 |