FERCO

ELECTRICAL, ELECTRONIC, AND MAGNETIC CARD APPARATUS OR INSTRUMENTS FOR DETECTION OF THEFT, FIRE, BREAK-INS AND SMOKE RELATING TO DOORS, WINDOWS AND LOCKS; SIGNAL AND ALARM UNITS FOR BREAK-INS, FIRE AND SMOKE REGARDING CLOSING AND OPENING OF DOORS, WINDOWS, TRANSOM WINDOW * ; * UNIT FOR PRODUCING AURAL OR VISUAL WARNING SIGNALS FOR USE IN COMPUTER-OPERATED MACHINERY; TELEPHONIC TRANSPONDERS; ELECTRONIC LOCKS AND CASEMENT BOLT LOCKS CONTROLLED BY MICROPROCESSORS; CONTROL CENTERS AND UNITS FOR OPENING AND CLOSING OF OPENINGS, NAMELY, WINDOWS, DOORS AND THE LIKE, IN CONJUNCTION WITH DETECTION UNITS