leaving only an outside snap after removal of the tamper element

Patents Grantslast 30 patents

  • Information Patent Grant

    Tamper resistant container lid

    • Patent number 5,115,934
    • Issue date May 26, 1992
    • Highland Plastics, Inc.
    • James L. Nelson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3244131

    • Patent number 3,244,131
    • Issue date Apr 5, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3211323

    • Patent number 3,211,323
    • Issue date Oct 12, 1965
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3172557

    • Patent number 3,172,557
    • Issue date Mar 9, 1965
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL