Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8902712 | Method for enhancing low frequency output of impulsive type seismic energy sources and its application to a seismic energy source for use while drilling | Robert P. Radtke, David A. Glowka | 2014-12-02 |
| 8619503 | Sparker type wellbore seismic energy source having controllable depth independent frequency | Robert P. Radtke, David A. Glowka | 2013-12-31 |
| 5557397 | Aircraft-based topographical data collection and processing system | Russell T. Hyde, Michael Glynn Wise, Edward C. Brasher, Jr. | 1996-09-17 |
| 4460987 | Variable focus sonar with curved array | James F. Lynch | 1984-07-17 |
| 4222114 | Cylindrical array radiator | Richard L. Rolleigh, James G. Pruitt | 1980-09-09 |