Patents by Inventor Norman L. Richards

Norman L. Richards 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: D278199
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 2, 1985
    Inventor: Norman L. Richards
  • Patent number: D291269
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: August 11, 1987
    Inventor: Norman L. Richards