Patents Assigned to Frank J. King
  • Card carrying microfilm and associated reading lens
    Patent number: 4435912
    Abstract: A card of size suitable for convenient carrying by a person, for example, in a billfold or wallet, the card having an information portion upon which information appears that can be read in the normal manner, a portion carrying microfilm upon which information is recorded, and a portion carrying a lens suitable for reading the microfilmed portion.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: March 13, 1984
    Assignee: Frank J. King
    Inventors: David L. Adrian, Sam H. Young