Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046150 | Electronic article surveillance label with field modulated dielectric | — | 2006-05-16 |
| 6970141 | Phase compensated field-cancelling nested loop antenna | Richard L. Copeland | 2005-11-29 |
| 6700491 | Radio frequency identification tag with thin-film battery for antenna | — | 2004-03-02 |
| 6169483 | Self-checkout/self-check-in RFID and electronics article surveillance system | Touraj Ghaffari, James Gruszynski, Philip J. Parker, Richard L. Copeland | 2001-01-02 |
| 5942978 | Wireless transmitter key for EAS tag detacher unit | — | 1999-08-24 |
| 5940043 | Unidirectional field antenna for identification system | Larry Canipe | 1999-08-17 |