Patents Assigned to AB Aros Avancerad Butikskontroll
  • Magnetized ink, paint or dye used on merchandise to prevent theft
    Patent number: 4929928
    Abstract: The invention relates to a procedure for applying an anti-theft device on goods, and ink/dye/paint for use therewith. The ink to be applied on the goods is mixed with magnetizable particles, the particles being magnetized, and demagnetization being effect upon payment or leaving the premises. An alarm signal is emitted if a marked article which has not been demagnetized, is taken out.
    Type: Grant
    Filed: February 19, 1988
    Date of Patent: May 29, 1990
    Assignee: AB Aros Avancerad Butikskontroll
    Inventor: Eric Hult.ang.ker