Patents by Inventor Ralph Eberle

Ralph Eberle 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: 6979015
    Abstract: A trailer hitch or hitch bar adapter that simultaneously holds two balls in an upright, usable position. The hitch or hitch bar adapter holds one ball at a first height and a second ball at a second height different from the first. The two balls can be the same or different size to accommodate various sized trailers.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: December 27, 2005
    Inventor: Ralph Eberle
  • Publication number: 20050280245
    Abstract: A trailer hitch or hitch bar adapter that simultaneously holds two balls in an upright, usable position. The hitch or hitch bar adapter holds one ball at a first height and a second ball at a second height different from the first. The two balls can be the same or different size to accommodate various sized trailers.
    Type: Application
    Filed: June 22, 2004
    Publication date: December 22, 2005
    Inventor: Ralph Eberle
  • Patent number: D553056
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: October 16, 2007
    Inventor: Ralph Eberle