Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249331 | Multi-layer keyword detection | Christopher Wayne Lockhart, Matthew Joseph Cole | 2025-03-11 |
| 11646027 | Multi-layer keyword detection | Christopher Wayne Lockhart, Matthew Joseph Cole | 2023-05-09 |
| 11250851 | Multi-layer keyword detection | Christopher Wayne Lockhart, Matthew Joseph Cole | 2022-02-15 |
| 10679625 | Multi-layer keyword detection for distributed voice communications | Christopher Wayne Lockhart, Matthew Joseph Cole | 2020-06-09 |
| 10186265 | Multi-layer keyword detection to avoid detection of keywords in output audio | Christopher Wayne Lockhart, Matthew Joseph Cole | 2019-01-22 |
| 10079015 | Multi-layer keyword detection | Christopher Wayne Lockhart, Matthew Joseph Cole | 2018-09-18 |