Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883285 | Sound quality device and system | Dennis Rauschmayer, Bryan Anderton | 2018-01-30 |
| 4587964 | Rasp tool | Charles B. Walker, Roy Y. Hori | 1986-05-13 |
| 4357709 | Apparatus for regenerating signals within a frequency band | Walter William Jacobs, Peter M. Grant | 1982-11-02 |