Patents by Inventor Frederick Lee Biederman

Frederick Lee Biederman 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: 6149181
    Abstract: A retractable hitch that stores away from view. The hitch consists of a hollow connector bar having an attachment end and a receiver end. The attachment end of the connector bar has an opening extending laterally through it. A mounting bar at the receiver end contains a storage chamber. A draw bar having a connector end and a hitch end fits within the connector bar. The connector end has an opening piercing it; and the hitch end has an end for connecting devices. A locking pin extends through the opening in the attachment end of the connector bar and the opening in the connector end of the draw bar. The locking pin locks in a first position for securing the draw bar in a first position for attaching devices and a second position for storing the connector bar within the storage chamber.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: November 21, 2000
    Inventor: Frederick Lee Biederman