Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9756437 | System and method for transmitting environmental acoustical information in digital audio signals | — | 2017-09-05 |
| 7058189 | Audio monitoring and conversion apparatus and method | Maynard Grimm | 2006-06-06 |