Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027833 | System for suppressing passing tire hiss | Phillip A. Hetherington | 2011-09-27 |
| 7869994 | Transient noise removal system using wavelets | Rajeev Nongpiur, Phillip A. Hetherington | 2011-01-11 |
| 7725315 | Minimization of transient noises in a voice signal | Phillip A. Hetherington | 2010-05-25 |