Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492945 | Instantaneous radiopositioning using signals of opportunity | Timothy D. Hall | 2002-12-10 |
| 6091362 | Bandwidth synthesis for wireless location system | Louis A. Stilp | 2000-07-18 |
| 5805200 | System for determining position from pseudorandomly modulated radio signals | — | 1998-09-08 |
| 5619212 | System for determining position from suppressed carrier radio waves | — | 1997-04-08 |
| 5384574 | System for determining position from suppressed carrier radio waves | — | 1995-01-24 |
| 5194871 | System for simultaneously deriving position information from a plurality of satellite transmissions | — | 1993-03-16 |
| 5014066 | System for simultaneously deriving position information from a plurality of satellite transmissions | — | 1991-05-07 |
| 4912475 | Techniques for determining orbital data | — | 1990-03-27 |
| 4894662 | Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellites | — | 1990-01-16 |
| 4870422 | Method and system for determining position from signals from satellites | — | 1989-09-26 |
| 4860018 | Continuous wave interference rejection for reconstructed carrier receivers | — | 1989-08-22 |
| 4809005 | Multi-antenna gas receiver for seismic survey vessels | — | 1989-02-28 |
| 4667203 | Method and system for determining position using signals from satellites | — | 1987-05-19 |
| 4647942 | Circularly polarized antenna for satellite positioning systems | Donald H. Steinbrecher | 1987-03-03 |