Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10093191 | Method for charging a battery having a plurality of battery cells using two or more constant current charge stages | John Keller | 2018-10-09 |
| 9902277 | Method for charging a battery having a plurality of battery cells | John Keller | 2018-02-27 |