Patents by Inventor Whitney G. Sampson

Whitney G. Sampson 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).

  • Contact lens having an index of refraction approximating that of human tears
    Patent number: RE29229
    Abstract: A wettable contact lens of the type applied to the human eye to correct vision deficiencies, said lens formed of a transparent, dimensionally stable, solid material characterized by an index of refraction approximating that of the human tears.
    Type: Grant
    Filed: November 24, 1972
    Date of Patent: May 24, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Louis J. Girard, Whitney G. Sampson, Joseph W. Soper