Patents by Inventor William H. Percival

William H. Percival 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).

  • Drum for a laundry machine
    Patent number: D272668
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: February 14, 1984
    Assignee: Servis Realisations Limited
    Inventors: William H. Percival, Henry R. Wilkins