Patents by Inventor Mark D. Hayward

Mark D. Hayward 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: D517321
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: March 21, 2006
    Inventors: Christopher K. Wilde, Mark D. Hayward