Patents by Inventor Michael G. Ofield

Michael G. Ofield 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: D280849
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: October 1, 1985
    Inventor: Michael G. Ofield
  • Patent number: D281356
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: November 12, 1985
    Inventor: Michael G. Ofield
  • Patent number: D281359
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: November 12, 1985
    Inventor: Michael G. Ofield