Patents by Inventor Robert D. Hummel

Robert D. Hummel 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).

  • Bar soap
    Patent number: D359578
    Type: Grant
    Filed: September 16, 1992
    Date of Patent: June 20, 1995
    Inventor: Robert D. Hummel
  • Chair
    Patent number: D389659
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: January 27, 1998
    Inventor: Robert D. Hummel