- 5,673,037
- System and Method for Radio Frequency Tag Group Select
- 5,912,632
- Single Chip RF Tag Oscillator Circuit Synchronized by Base Station Modulation Frequency
- 5,942,987
- Radio Frequency Identification System with Write Broadcast Capability
- 5,966,082
- Method of Flagging Partial Write in RF Tags
- 6,172,596
- System and Method and apparatus for Identifying and Communicating With a plurality of Types of Radio Frequency Communication Devices
- 6,288,629
- Method of Using Write-OK Flag for Radio Frequency Transponders
- 6,384,712
- Apparatus, system, and method for communication between multiple base stations and radio frequency tags
- 6,430,488
- Vehicle customization, restriction, and data logging
- 6,768,414
- Radio Frequency Identification Write Broadcast Capability
- 6,919,793
- Radio Frequency Identification System Write Broadcast Capability