Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371330 | Synchronized acoustic source | — | 1994-12-06 |
| 5361837 | Method for preventing annular fluid flow using tube waves | — | 1994-11-08 |
| H1308 | Narrow band acoustic source | Sen-Tsuen Chen | 1994-05-03 |