Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863237 | Electromagnetic telemetry apparatus and methods for use in wellbore applications | — | 2018-01-09 |
| 7053705 | Mixed-mode (current-voltage) audio amplifier | John J. Hench | 2006-05-30 |