Patents by Inventor Robert N. Shelton

Robert N. Shelton 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: 4102566
    Abstract: A rimless spectacle including a light weight two member lens supporting nose bridge assembly which engages the brow bar at its upper end and includes a pair of nose engaging pad members extending from its bottom end.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: July 25, 1978
    Assignee: Foster Grant Corporation
    Inventor: Robert N. Shelton
  • Patent number: D267992
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: February 22, 1983
    Assignee: Foster Grant Corporation
    Inventor: Robert N. Shelton