Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158149 | Method and apparatus to detect and manage battery pack cell swell | Amy T. Herrmann, John E. Herrmann, William B. Kiger, Edmond Louie | 2018-12-18 |
| 9780581 | Portable rechargeable battery pack and external adapter for same | Frederick J. Weissinger, Donald L. Flowers, Charles W. Friedli, John E. Herrmann, Viranga L. Wijeratne | 2017-10-03 |
| 9276421 | Portable rechargeable battery pack and external adapter for same | Frederick J. Weissinger, Donald L. Flowers, Charles W. Friedli, John E. Herrmann, Viranga L. Wijeratne | 2016-03-01 |