| 6390419 |
Position detector for track mounted surveillance systems |
Peter Y. Zhou, Lawrence Chao |
2002-05-21 |
| 6189838 |
Position detector for track mounted surveillance systems |
Peter Y. Zhou, Lawrence Chao |
2001-02-20 |
| 5993222 |
Moving electrical contact for track mounted systems |
Peter Y. Zhou, Dexing Pang |
1999-11-30 |
| 5975581 |
System for confirming the authenticity of an article using a magnetic reader |
Peter Y. Zhou, Dexing Pang |
1999-11-02 |
| 5847650 |
Theft resistant circuit assembly |
Peter Y. Zhou, Edward J. Callaghan, Paul F. McNamara |
1998-12-08 |
| 5825291 |
Electronic article surveillance system |
Victor Platt, Christopher R. Paul, Peter Y. Zhou |
1998-10-20 |
| 5088165 |
Theft deterrent fastener and fastener assembly |
Arthur J. Minasy |
1992-02-18 |