Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215249 | Radio frequency identification reader | Donald F. Speirs | 2007-05-08 |
| 7180402 | Phase modulation in RF tag | Ronald Gilbert | 2007-02-20 |
| 7176784 | Multi-mode radio frequency device | Ronald Gilbert, Gordon A. Anderson, Kerry Steele | 2007-02-13 |
| 7173528 | System and method for disabling data on radio frequency identification tags | Roger G. Stewart, John Howard Rolin | 2007-02-06 |
| 7055750 | Device and method for encoding data in multiple media | — | 2006-06-06 |
| 7049966 | Flat antenna architecture for use in radio frequency monitoring systems | — | 2006-05-23 |
| 7009515 | Frequency-hopping RFID system | — | 2006-03-07 |
| 6995652 | System and method for controlling remote devices | Ronald Gilbert, Jeff Scott, David Anthony Clark | 2006-02-07 |
| 6933848 | System and method for disabling data on radio frequency identification tags | Roger G. Stewart, John Howard Rolin | 2005-08-23 |
| 6868073 | Distance/ranging by determination of RF phase delta | — | 2005-03-15 |
| 6745008 | Multi-frequency communication system and method | Ronald Gilbert | 2004-06-01 |
| 6738025 | Antenna matching circuit | — | 2004-05-18 |
| 6366260 | RFID tag employing hollowed monopole antenna | — | 2002-04-02 |
| 6107917 | Electronic tag including RF modem for monitoring motor vehicle performance with filtering | John H. Linn, James Lujan, Frank Kenneth Wunderlin, Jay Verner, Ross C. Berryhill | 2000-08-22 |
| 6061614 | Electronic tag including RF modem for monitoring motor vehicle performance | John H. Linn, James Lujan, Frank Kenneth Wunderlin | 2000-05-09 |
| 5825329 | Modulated backscatter microstrip patch antenna | Richard L. Veghte | 1998-10-20 |
| 5771021 | Transponder employing modulated backscatter microstrip double patch antenna | Richard L. Veghte, Alfred R. Koelle, Jeremy A. Landt | 1998-06-23 |