Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640185 | Dispensing system and method with radio frequency customer identification | Joseph A. Giordano, Samuel S. Hendricks, Carl R. Jacobs, Thomas L. Mays, Don Charles McCall +14 more | 2009-12-29 |
| 6807400 | Batteryless transponder | — | 2004-10-19 |
| 6674359 | Method of identifying several transponders | Konstantin Aslanidis, Simon Atherton, Adolf Baumann, Andreas Hagl | 2004-01-06 |
| 6385275 | Assembly for generating a consecutive count | Herbert Meier | 2002-05-07 |
| 6239675 | Tuning circuit having switchable capacitor controlled by a selection circuit | — | 2001-05-29 |
| 6118189 | Identification system reader with multiplexed antennas | — | 2000-09-12 |
| 5798709 | Wireless transmitter carrier phase synchronization | — | 1998-08-25 |
| 5729236 | Identification system reader with multiplexed antennas | — | 1998-03-17 |
| 5621396 | Method and apparatus with adaptive transponder plucking | — | 1997-04-15 |
| 5550536 | Circuit frequency following technique transponder resonant | — | 1996-08-27 |
| 5491715 | Automatic antenna tuning method and circuit | — | 1996-02-13 |