Patents by Inventor Ernest Heyward

Ernest Heyward 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: D404196
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: January 19, 1999
    Inventor: Ernest Heyward