Patents Assigned to Her Majesty the Queen in right of Canada, as represented by the Solicitor General acting through the Commissioner of the Royal Mounted Canadian Police
  • Patent number: 6216579
    Abstract: The invention disclosed relates to a composite armor material comprising an outer ballistic impact resistant layer of a steel material having a Rockwell “C” scale hardness of 47-54, and an inner blast resistant steel layer having a fracture toughness of 3.6-6.5 J/mm, and a Rockwell “C” scale hardness of 28-36.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: April 17, 2001
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Solicitor General acting through the Commissioner of the Royal Mounted Canadian Police
    Inventors: Stephen J. E. Boos, Charles A. Williams