Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145615 | Mechanical filter | John Michael Beresford | 2000-11-14 |
| 5798488 | Acoustic sensor | John Michael Beresford | 1998-08-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145615 | Mechanical filter | John Michael Beresford | 2000-11-14 |
| 5798488 | Acoustic sensor | John Michael Beresford | 1998-08-25 |