Inventor

HUSMANN ROBERT J

US3 patents

Patents

3 patents

US4800366AJan 24, 1989

Alarm locator module for picket barrier intrusion detection and location system

OMNI SIGNAL INC21 citations76

US4870404ASep 26, 1989

Sensor device for picket barrier intrusion detection and location system

OMNI SIGNAL INC13 citations69

US4703313AOct 27, 1987

Picket barrier and intrusion sensing system

OMNI SIGNAL INC18 citations63