Patents by Inventor Edward G. Knauff

Edward G. Knauff 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).

  • Wheel attachment for a trailer hitch
    Patent number: 6478325
    Abstract: A wheel attachment for a trailer hitch for preventing damage to the receiver hitch. The wheel attachment for a trailer hitch includes an elongate support member being adapted to removably and securely extend in a tubular receiver hitch; and also includes at least one wheel support member being rotatably mounted to a bottom side of the elongate support member; and further includes at least one wheel member being rotatably mounted to the at least one wheel support member; and also includes a tongue catch member being securely and removably attached to the elongate support member.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: November 12, 2002
    Inventor: Edward G. Knauff