Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990824 | Ground based pulse radar system and method providing high clutter rejection and reliable moving target indication with extended range for airport traffic control and other applications | — | 1999-11-23 |
| 5986611 | Steerable disk antenna | Timothy G. Waterman | 1999-11-16 |
| 5906325 | Self-synchronizing pulley/winch apparatus and operating method for cable having electronic or other protruding elements spaced along its length | — | 1999-05-25 |
| 5825720 | Combination seal and wear for an air gun | David McCall | 1998-10-20 |
| 5825719 | Dual-port air gun having a single shuttle | — | 1998-10-20 |
| 5450374 | Air saving sleeve gun | — | 1995-09-12 |
| 5337411 | Multi-processor computer system bus architecture | — | 1994-08-09 |
| 5001679 | Dual shuttle air gun | — | 1991-03-19 |
| 4928785 | Full flow solenoid valve for air gun operation | — | 1990-05-29 |
| 4858205 | Multi-barrel air gun module | — | 1989-08-15 |
| 4825973 | Full flow solenoid valve for air gun operation | — | 1989-05-02 |
| 4623033 | Air release in seismic source air gun | — | 1986-11-18 |
| 4578676 | Delay lattice filter for radar doppler processing | — | 1986-03-25 |
| 4225009 | Internal air release control apparatus air gun | Roy Johnston | 1980-09-30 |
| 4219097 | External air release control in seismic air gun | Roy Johnston | 1980-08-26 |
| 4185247 | Means for reducing spurious frequencies in a direct frequency synthesizer | — | 1980-01-22 |