Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9986930 | Electrode with charge-operated indicator | John A. Lane, Benjamin Avery Freer, David E. Quinn | 2018-06-05 |
| 9808170 | Electrode with charge-operated indicator | John A. Lane, Benjamin Avery Freer, David E. Quinn | 2017-11-07 |