ACKTON
Electric or electronic sensors for sensing the presence, absence or movement of automobiles in, to or from a specified area or location; Object detectors and controllers sold as a unit for use on vehicles, namely laser, radar and ultrasonic detectors mounted on the top of vehicle doors for detecting the proximity of passengers or objects, and electrical controllers for controlling the closing and opening movements of the vehicle doors; Computerized management system for parking lots comprised...
Abandoned · June 7, 2004 · 76595834 ·