Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8931536 | Devices for applying conductive gel-pads to electrodes and electrodes produced thereby | Thomas Darrell Evans, John Mann, Todd Evans, Eric M. Krug, Fred William Kreiner +1 more | 2015-01-13 |
| 5040993 | Interchangeable adapter module for electronic devices | Eric M. Krug, Bruce D. Roemmich | 1991-08-20 |
| 4936785 | Interchangeable adapter module for electronic devices | Eric M. Krug, Bruce D. Roemmich | 1990-06-26 |