Patents by Inventor William Champness

William Champness 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).

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    Patent number: D556148
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: November 27, 2007
    Assignee: Control For Doors Ltd.
    Inventor: William Champness