Patents Assigned to James Industries Co.
  • Lens pattern blank
    Patent number: 4727654
    Abstract: A lens pattern blank has an axis scale pattern on the front face thereof to enable the user to check the axis of the pattern before cutting lenses, particular for bifocal lenses. The axis scale pattern includes a mark along the X axis and to the left of the origin on the front face of the blank and a range of angles with a 0 point at the X axis and a radial center at the cross. The angular markings are disposed to the right of the origin.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: March 1, 1988
    Assignee: James Industries Co.
    Inventor: James Cingone