Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214385 | Apparatus and method for utilizing polarization voltage to determine charge state of a battery | Merlin E. Burkum | 1993-05-25 |
| 4697134 | Apparatus and method for measuring battery condition | Merlin E. Burkum | 1987-09-29 |