Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522165 | Method and apparatus for ultrasonic directional sound applicable to vehicles | Peter P. Tong, C. Douglass Thomas | 2019-12-31 |
| 10492038 | Method and apparatus to manage messaging providing different communication modes depending on one identifier and not requiring to disclose contact information | Peter P. Tong, C. Douglass Thomas | 2019-11-26 |