Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989011 | Dual mode phased array antenna system | James D. Thompson | 1991-01-29 |
| 4972151 | Steered-beam satellite communication system | — | 1990-11-20 |
| 4961551 | Stabilization of a spinning spacecraft of arbitary shape | — | 1990-10-09 |
| 4949922 | Satellite control system | — | 1990-08-21 |
| 4879711 | Satellite communications system employing frequency reuse | — | 1989-11-07 |
| 4872015 | Satellite communications system for mobile users | — | 1989-10-03 |
| 4858229 | Filter interconnection matrix | James D. Thompson | 1989-08-15 |
| 4831334 | Envelope amplifier | Thomas Hudspeth, David S. Kaplan | 1989-05-16 |
| 4831619 | Satellite communications system having multiple downlink beams powered by pooled transmitters | — | 1989-05-16 |
| 4827268 | Beam-forming network | — | 1989-05-02 |
| 4823341 | Satellite communications system having frequency addressable high gain downlink beams | — | 1989-04-18 |
| 4819227 | Satellite communications system employing frequency reuse | — | 1989-04-04 |
| 4792813 | Antenna system for hybrid communications satellite | — | 1988-12-20 |
| 4785310 | Frequency selective screen having sharp transition | — | 1988-11-15 |
| 4752925 | Two-hop collocated satellite communications system | James D. Thompson, Leeor Pressman | 1988-06-21 |
| 4741502 | Method and apparatus for launching a spacecraft by use of a recoverable upper rocket stage | — | 1988-05-03 |
| 4722183 | Method for controlling the utilization of fluid bipropellant in a spacecraft rocket engine | — | 1988-02-02 |
| 4711307 | Compact self-contained fire extinguisher | — | 1987-12-08 |
| 4699339 | Apparatus and method for transporting a spacecraft and a fluid propellant from the earth to a substantially low gravity environment above the earth | Alois Wittmann | 1987-10-13 |
| 4612546 | Satellite command link protection system | — | 1986-09-16 |
| 4539681 | Ferrite modulator assembly for beacon tracking system | Thomas Hudspeth, Fritz Steinberg | 1985-09-03 |
| 4431458 | Method for removing polyvinyl coatings from metal with tetrahydrofuran | — | 1984-02-14 |
| 4418350 | Two-axis antenna direction control system | — | 1983-11-29 |
| 4326684 | Spacecraft with internal propulsion stages | — | 1982-04-27 |