Patents by Inventor Kenneth D. Hilderbrandt

Kenneth D. Hilderbrandt 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).

  • Rotatable spatula
    Patent number: 5634679
    Abstract: A rotatable spatula that includes a squeezable handle portion and a spatula portion. The spatula portion is rotatively mounted to the squeezable handle portion. When the squeezable handle portion is squeezed the spatula portion rotates and turns over food disposed thereon. The spatula portion has a thin flat substantially rectangular-shaped body with a tapered leading edge and a rounded corner trailing edge.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: June 3, 1997
    Inventor: Kenneth D. Hilderbrandt
  • Expandable level
    Patent number: 5412875
    Abstract: An expandable level is provided, which consists of a main frame, at least one leveling vial mounted within the main frame, an extension frame and a mechanism for adjusting the position of the extension frame with respect to the main frame, so that an effective length of the level can be increased and decreased.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: May 9, 1995
    Inventor: Kenneth D. Hilderbrandt