Patents Assigned to Marvin P. Hodges
  • Patent number: 4249205
    Abstract: An aspheric projection lens system utilizes a single element aspheric projection lens for projecting a concave image from a concave cathode ray tube face plate, or the like onto a suitable projection surface.
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: February 3, 1981
    Assignee: Marvin P. Hodges
    Inventor: Richard A. Buchroeder