Patents by Inventor Lee K. Bieberstein

Lee K. Bieberstein 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).

  • Miniature flashlight
    Patent number: 4733337
    Abstract: A waterproof flashlight wherein the flashlight is activated by means of a switch located in the flashlight's end cap. Another aspect of the invention being the orientation of the positive terminals of the flashlight's batteries away from the head assembly.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: March 22, 1988
    Assignee: Lite Tek International Corp.
    Inventor: Lee K. Bieberstein
  • Miniature flashlight
    Patent number: RE38014
    Abstract: A waterproof flashlight wherein the flashlight is activated by means of a switch located in the flashlight's end cap. Another aspect of the invention being the orientation of the positive terminals of the flashlight's batteries away from the head assembly.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: March 4, 2003
    Assignee: Mag Instrument, Inc.
    Inventor: Lee K. Bieberstein