Patents by Inventor Ernest Michael Butler

Ernest Michael Butler 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).

  • Model aircraft
    Patent number: D559329
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: January 8, 2008
    Assignee: Spin Master Ltd.
    Inventors: Michael Douglas Connally, Ernest Michael Butler, Craig A. Golema