75320253
Jul 7, 1997
Mar 16, 1999
electronic animal confinement systems; electronic animal training systems comprised of hand held transmitters, hand held ultrasonic sound emitters, receivers worn by animals to activate a method of stimulation or correction, collars which incorporate a sound sensor to activate a method of stimulation or correction, and instructional video tapes and manuals distributed therewith as a unit; and electronic devices to repel unwanted animals, namely, stationary ultrasonic sound emitters and stationary audible sound emitters; and electrified stands for bird houses and controllers therefor
Electrical and Scientific Apparatus