Patents by Inventor Michael H. Buttery

Michael H. Buttery 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).

  • Cooking appliances
    Patent number: 5026970
    Abstract: This invention relates to cooking appliances. More particularly the invention relates to a heater unit for a cooking appliance and comprises a heater unit for a cooking appliance comprising a substrate, a layer consisting of or containing a ceramic material applied to the substrate and an electrically conducting path to the said layer.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: June 25, 1991
    Assignee: Emaco Ltd.
    Inventor: Michael H. Buttery