Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774829 | Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system | Joseph Cisneros, David C. Kelley, Michael Kiang | 1998-06-30 |
| 5689270 | Navigation and positioning system and method using uncoordinated becon signals | David C. Kelley, Joseph Cisneros | 1997-11-18 |
| 5499032 | Navigation and positioning system and method using uncoordinated beacon signals | David C. Kelley, Joseph Cisneros | 1996-03-12 |