Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812839 | Use of rotating magnetic field to enhance communication with RF burst-transmitting tags of object location system | Donald K. Belcher | 2004-11-02 |
| 6721369 | Composite BPSK/AM-BPSK based spectral suppression of out-of-band energy from saturated RF amplifier | Donald K. Belcher | 2004-04-13 |