Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11005280 | Multi-battery and multi-device connection system | Calvin D Munkvold | 2021-05-11 |
| 9866047 | Multi-battery and multi-device connection system | Calvin D Munkvold | 2018-01-09 |
| 9559473 | Multi-battery and multi-device connection system | Calvin D Munkvold | 2017-01-31 |