Patents Examined by Lowrance George E.
  • Tamper evident optical device and article utilizing the same
    Patent number: 5005719
    Abstract: Tamper evident optical device comprising a substrate and a multi-layer taper evident splittable coating carried by the substrate. The coating has a release region formed therein. An adhesive is secured to the tamper evident coating.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: April 9, 1991
    Assignee: Flex Products, Inc.
    Inventors: Roger W. Phillips, Vernon C. Spellman, Wayne L. Gossett, Marc A. Kamerling, Paul G. Coombs, David W. Todd, Steven A. Silver