Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418717 | Method and apparatus of maintaining constant antenna resonant frequency and impedance match in the presence of environmental changes and head/hand effect using variable reactance antenna aperture tuners | Lars Ernst Johnsson, Ray Parkhurst, Paul A. Tornatta, Jr., Roberto Gaddi | 2019-09-17 |