Patents by Inventor J. McHenry Nielsen

J. McHenry Nielsen 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).

  • Bifocal intra-ocular lens
    Patent number: 4636211
    Abstract: An intra-ocular lens consisting of a transparent body has concentrically oriented near vision and far vision, optically powered portions with the near vision portion being centrally positioned relative to the body and the far vision portion being coaxial with and surrounding the near vision portion, the lens being fixed in a position such that the near vision portion is aligned with the pupillary aperture of the eye and is fixed in alignment.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: January 13, 1987
    Inventors: J. McHenry Nielsen, Wayne G. Miller