Patents Assigned to Filtromatic Corp.
  • Patent number: 4702383
    Abstract: A tamper-proof package includes a vessel, closure and locking member having downwardly and outwardly extending tabs of a contrasting color welded to the vessel. The tabs are frangible to break upon twisting of the cap to provide visibly contrasting evidence of tampering observable from above the package.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: October 27, 1987
    Assignee: Filtromatic Corp.
    Inventor: Harry Wender