Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940461 | Remote access device having multiple inductive coil antenna | John Nantz, Qingfeng Tang, Qing Li, Bruce Conner, Keith Walker +4 more | 2005-09-06 |
| 6563474 | Remote access device having multiple inductive coil antenna | John Nantz, Qingfeng Tang, Qing Li, Bruce Conner, Keith Walker +4 more | 2003-05-13 |