Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8331888 | Remote programmable reference | David O. Edewaard, Terry M. Swann | 2012-12-11 | $12,380,000 |
| 8044859 | Reference beacon methods and apparatus for TDOA/FDOA geolocation | Layne D. Lommen, David O. Edewaard | 2011-10-25 | $7,438,000 |
| 7570212 | Reference beacon methods and apparatus for TDOA/FDOA geolocation | Layne D. Lommen, David O. Edewaard | 2009-08-04 | $25,599,000 |
| 7515104 | Structured array geolocation | Gary A. Ray | 2009-04-07 | $19,251,000 |