Patents by Inventor James G. Fetz

James G. Fetz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4205747
    Abstract: An improved structure for storing lenses, including storage during shipment, is disclosed. The device comprises a cylindrical upper portion with a knurled flange at the top thereof, together with an interlocking coaxially cylindrical lower portion having a knurled flange at the bottom thereof. A central bore extending through each of the cylindrical portions permits inspection and irrigation of the lens while in the device, but maintains the lens in a substantially fixed position, thereby avoiding scratches. The device is specially suited to storage of anterior chamber intraocular lenses.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: June 3, 1980
    Assignee: Cilco, Inc.
    Inventors: James J. Gilliam, James G. Fetz
  • Patent number: 4104339
    Abstract: Methods and apparatus are disclosed for the manufacture of plastic intraocular lenses of the type used for transplant in the human eye for natural lens replacement in cataract surgery. The novel methods and apparatus of the present invention are characterized in that the lines or wires used as retention loops are attached to the plastic lens bodies by fusing the ends thereof internally of the lens body in a position remote from the outer peripheries of the lens bodies but outside the central areas of vision of the lens bodies, one method of fusing the ends of the wires to the lens bodies being by heating the wires and pushing them into the lens bodies.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: August 1, 1978
    Inventors: James G. Fetz, Ronald P. Jensen