Patents by Inventor Sterling H. Nelson

Sterling H. Nelson 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 case
    Patent number: 7398877
    Abstract: A contact lens case (101) comprises a base (103) having a left cavity (105A) and a right cavity (105B) for storing contact lenses (113A, 113B). An upward-facing base dome (109A, 109B) in each cavity supports the lenses with the rims of the lenses downward. A lid (106) comprises downward-facing lid domes (121A, 121B) to retain the lenses on the upward-facing domes of the base. The lid domes allow expelling of air during closing of the case to maintain good hydration of the lenses.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: July 15, 2008
    Inventors: Sterling H. Nelson, George W. Stough