Patents by Inventor Melvin Blackburn

Melvin Blackburn 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).

  • Combined table and bowl
    Patent number: D323263
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: January 21, 1992
    Inventor: Melvin Blackburn