Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9893548 | Battery charger and method utilizing alternating DC charging current | Thomas Finis Johnson, John F. Waldron | 2018-02-13 |
| 9874611 | Battery charger with automatic voltage detection | Matthew Adam Heins | 2018-01-23 |