75927218
Feb 25, 2000
Apr 2, 2002
Computer hardware and operating software for use with security and alarm systems; computer hardware and operating software for use with automatic dialers, remote controlled automatic dialing systems, automatic voice messaging systems, automatic telephone conferencing systems, garage door openers, sensors for security and alarm systems, transmitters for security and alarm systems, receivers for security and alarm systems and remote controlled security alarm systems
Electrical and Scientific Apparatus