Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624842 | Wiener-based method for spoofing detection | Steven E. LANGEL, John David QUARTARARO, Kevin Francis Greco | 2023-04-11 |
| 5774829 | Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system | David C. Kelley, Michael Kiang, Louis A. Greenbaum | 1998-06-30 |
| 5689270 | Navigation and positioning system and method using uncoordinated becon signals | David C. Kelley, Louis A. Greenbaum | 1997-11-18 |
| 5499032 | Navigation and positioning system and method using uncoordinated beacon signals | David C. Kelley, Louis A. Greenbaum | 1996-03-12 |