73707231
Jan 25, 1988
Sep 13, 1988
ELECTRONIC ARTICLE SURVEILLANCE EQUIPMENT -NAMELY ELECTRONIC ANTI-SHOPLIFTING UNITS, ELECTRONIC LIBRARY BOOK THEFT PREVENTION UNITS, ELECTRONIC UNITS FOR DETECTING THE PASSAGE OF ANIMATE OR INANIMATE OBJECTS THROUGH PORTALS, ELECTRONICALLY DETECTABLE TAGS FOR USE WITH SUCH UNITS, AND ELECTRONIC UNITS FOR AUTOMATICALLY DEACTIVATING SUCH TAGS
Electrical and Scientific Apparatus