Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331607 | Sweep frequency vibrator | — | 1994-07-19 |
| 5313025 | Displacement amplified acoustic transmitter | A. J. Mallett | 1994-05-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331607 | Sweep frequency vibrator | — | 1994-07-19 |
| 5313025 | Displacement amplified acoustic transmitter | A. J. Mallett | 1994-05-17 |