Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7555033 | Binary offset carrier M-code envelope detector | Walter E. Lillo, Phllip W. Ward | 2009-06-30 |
| 6914931 | Spread spectrum receiver kalman filter residual estimator method | Randal K. Douglas | 2005-07-05 |
| 6516021 | Global positioning systems and inertial measuring unit ultratight coupling method | Walter E. Lillo | 2003-02-04 |
| 6237496 | GPS guided munition | — | 2001-05-29 |
| 5959575 | Interior GPS navigation | — | 1999-09-28 |
| 5943009 | GPS guided munition | — | 1999-08-24 |
| 5786790 | On-the-fly accuracy enhancement for civil GPS receivers | — | 1998-07-28 |