Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953144 | Third-party detection around pipelines | Robert Chin, Vitold R. Kruka, Thomas L. Stewart, Robert W. Patterson | 1990-08-28 |
| 4920523 | Hydrophone mount | Vitold R. Kruka, Robert M. Kipp | 1990-04-24 |
| 4837751 | Shielded hydrophone assembly | Vitold R. Kruka, Robert M. Kipp | 1989-06-06 |
| H387 | Wavelength filter for marine seismic cables | Vitold R. Kruka | 1987-12-01 |
| 4510588 | Hydrophone cable decoupler | Vitold R. Kruka, Robert M. Kipp | 1985-04-09 |
| 4300218 | Free flooding hydrophone mounting | Vitold R. Kruka, Albert J. Berni, Lawrence D. Park, Jr. | 1981-11-10 |