Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374855 | System for suppressing rain noise | Phillip A. Hetherington | 2013-02-12 |
| 7949522 | System for suppressing rain noise | Phillip A. Hetherington | 2011-05-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374855 | System for suppressing rain noise | Phillip A. Hetherington | 2013-02-12 |
| 7949522 | System for suppressing rain noise | Phillip A. Hetherington | 2011-05-24 |