Patents by Inventor Laurence Mayes

Laurence Mayes 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).

  • Public address system
    Patent number: D512979
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: December 20, 2005
    Assignee: Symphonix Limited
    Inventors: Mike Corcoran, David McNeill, Laurence Mayes, William Day