Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7768451 | Methods and apparatus for geometry extra-redundant almost fixed solutions | Shuwu Wu, Stephen R. Peck, Robert M. Fries | 2010-08-03 |
| 5425032 | TDMA network and protocol for reader-transponder communications and method | Michael S. Friedman, Dale R. Feikema | 1995-06-13 |
| 5307349 | TDMA network and protocol for reader-transponder communications and method | Dale R. Feikema | 1994-04-26 |
| 5227803 | Transponder location and tracking system and method | Roger J. O'Connor, Michael Y. Nishida | 1993-07-13 |