Patents by Inventor Willis E. Bergfield

Willis E. Bergfield 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: 5189802
    Abstract: An improved parking guide comprising a free-standing, portable base having a support member projecting vertically upward from the base and carrying a position display board mounted adjacent the upper end of the support member, a pointer rotatably mounted on a pulley mounted on the support member adjacent the position display board and having an indicator arm moveable across at least a portion of the position display board, a spacer arm mounted on the support member adjacent the position display board and projecting frowardly from the support member, and an actuating cord secured to the base and extending upward to the outer end of the spacer arm and then inward and about the pulley in driving relation with the pulley.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: March 2, 1993
    Inventor: Willis E. Bergfield