Patents by Inventor Robert D. Kruger

Robert D. Kruger 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).

  • Lamp reflector
    Patent number: 5515255
    Abstract: A light fixture includes a lamp mounted within a reflector. The reflector includes a first surface lying in a generally parabolic sheet and being bounded in the generally parabolic sheet by first and second edges. A pair of generally opposing surfaces are connected to the first surface at the first and second edges. The generally opposing surfaces have a shape such that the lamp provides a generally rectangular beam pattern when the reflector reflects or redirects light from the lamp.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: May 7, 1996
    Assignee: Sterner Lighting Systems Incorporated
    Inventors: Wayne G. Nielson, Robert D. Kruger, Noah N. Rockey, Michael R. Specken, Gary V. Briesemeister, John B. Grunloh
  • Golf ball teeing device
    Patent number: 5351964
    Abstract: A golf ball teeing device for providing golf practice through a multi-elevation tee allowing both fairway and tee shots from the same practice tee.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: October 4, 1994
    Assignee: WorldWide Golf Resources, Inc.
    Inventor: Robert D. Kruger