Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9953192 | RFID tag communication triggered by sensed energy | Timothy M. Zimmerman | 2018-04-24 |
| 9319756 | RFID tag communication triggered by sensed energy | Timothy M. Zimmerman | 2016-04-19 |
| 8120461 | Automatic data collection device, method and article | Timothy M. Zimmerman | 2012-02-21 |
| 7541929 | Read authentication method and system for securing data stored on RFID tags | Timothy M. Zimmerman | 2009-06-02 |
| 7298268 | Read authentication method and system for securing data stored on RFID tags | Timothy Zimmerman | 2007-11-20 |
| 7034659 | Method and system for limiting use of electronic equipment | — | 2006-04-25 |