Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7564223 | High frequency battery charger and method of operating same | Michael Krieger, Bruce B. Randolph | 2009-07-21 |
| 6822425 | High frequency battery charger and method of operating same | Michael Krieger, Bruce B. Randolph | 2004-11-23 |