Patents by Inventor Harold Eugene Steinberg

Harold Eugene Steinberg 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: 3953104
    Abstract: Color wheel, having an opening provided therein, may be rotated in a first direction to generate a colorful display through a kaleidoscope-type observation tube and in a second, reversed direction to fix the color-wheel opening in alignment with an external opening and the observation tube to bring real-life objects into view. A shutter rotates regardless of direction of movement of the color wheel to simulate the shutter in a movie camera.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: April 27, 1976
    Assignee: Mattel, Inc.
    Inventors: Nicholas Joseph Roitz, Harold Eugene Steinberg