Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036831 | Amplification system, carrier tracking systems and related methods for use in parametric sound systems | Elwood G. Norris | 2015-05-19 |
| 8934650 | Low profile parametric transducers and related methods | Elwood G. Norris, Julian Groeli, Jin Chen | 2015-01-13 |