Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9544689 | Wireless speaker system | Mark Allen Fisher, James Garrett, An Duc Nguyen | 2017-01-10 |
| 8217718 | Highly efficient class-D amplifier | Ulrich Horbach | 2012-07-10 |
| D424950 | Clock with audio signal generator | — | 2000-05-16 |