Patents by Inventor William D. Olmstead

William D. Olmstead 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: D251244
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: March 6, 1979
    Inventors: William D. Olmstead, Donald T. Larsen