Patents Represented by Attorney Peter L. Olsen
  • Patent number: 5770283
    Abstract: A tamper-indicating label which includes (i) light-transmissive facestock, (ii) a light-transmissive imaged release coating covering a portion of the facestock so as to provide indicia, (iii) a contrast enhancement coating over the release coated surface of the facestock, and (iv) an adhesive coated upon the contrast enhancement layer where the indicia provided by the release coating is not visible until the facestock is forcibly separated from the release coating after which the indicia becomes permanently visible and the label is provided with sufficient assembly cohesive strength to keep the label together as a single unit after the facestock is separated from the release coating and the indicia is rendered visually perceptible.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: June 23, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Raymond R. Gosselin, John A. Spevacek