| 7576646 |
Method and apparatus for adding wireless devices to a security system |
Craig Hayden, Dennis M Caler, Patrick Parker, John Crosier, Alan Hayter |
2009-08-18 |
| 7495553 |
Method of installing a wireless security system |
Patrick Parker, Falk Herrmann, Scott Wager, Gunther Schwarz |
2009-02-24 |
| 6342834 |
Personal security system with alarm location tracking |
James Theodore Reed |
2002-01-29 |
| 6268797 |
Integrated portable tracking signal and access authorization signal generator |
Michael D. Robinson |
2001-07-31 |
| 5898367 |
Personal security system with weighted receiver locations |
— |
1999-04-27 |
| 5717378 |
Security system with fall back to local control |
John A. Malvaso |
1998-02-10 |
| 5572192 |
Personal security system with guard tour features |
— |
1996-11-05 |
| 5302941 |
Multi-sensor security/fire alarm system with mated master control |
— |
1994-04-12 |
| 5268668 |
Security/fire alarm system with group-addressing remote sensors |
— |
1993-12-07 |
| 5057816 |
Multizone intruder detection system with forced walk-test |
Karl H. Kostusiak |
1991-10-15 |
| 5057817 |
Intruder detection system with passive self-supervision |
— |
1991-10-15 |
