Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10516957 | High displacement acoustic transducer systems | David Russell | 2019-12-24 |
| 10469950 | Acoustic transducer and magnetizing current controller | — | 2019-11-05 |
| 10376775 | Read and write playing card system and method | — | 2019-08-13 |