Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477183 | Ionosphere delay measurement using carrier phase | George Watson, Chris Reed | 2009-01-13 |
| 7375680 | Ionosphere delay measurement using carrier phase | George Watson, Chris Reed | 2008-05-20 |
| 6178810 | Crude oil measurement system and method | Richard L. Ridgeway, John W. Sulton | 2001-01-30 |
| 5821406 | Crude oil measurement system and method | Richard L. Ridgeway, John W. Sulton | 1998-10-13 |