Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365594 | Active sound and/or vibration control | Graham P. Eatwell | 1994-11-15 |
| 5311446 | Signal processing system for sensing a periodic signal in the presence of another interfering signal | Graham P. Eatwell | 1994-05-10 |