Patents by Inventor William M. Harper, IV

William M. Harper, IV 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).

  • Clip for keeping socks in pairs
    Patent number: D327149
    Type: Grant
    Filed: September 26, 1989
    Date of Patent: June 16, 1992
    Inventor: William M. Harper, IV