Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720923 | Antenna design utilizing a cavity architecture for global positioning system (GPS) applications | Roger Hayward, John Glissman, Noel H. C. Marshall | 2004-04-13 |
| 6704650 | Technique for accurate distance and velocity calculations using the global positioning system (GPS) | Roger Hayward, Jock Christie | 2004-03-09 |