Patents by Inventor Jeffrey N. Kiefer

Jeffrey N. Kiefer 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: 4173038
    Abstract: A light device for projecting a variety of different images in various changing colors onto a translucent surface to provide the visual portion of audio visual entertainment. The primary embodiment has a box-like container with one or more sides of translucent mterial. An openable top cover permits ready access to the interior of the device which has mounted therein a support stand provided with a plurality of different color flashing lights. Mounted at the top of the support stand is an electric motor of very slow revolutions per minute, and mounted on the output shaft of said motor is a turntable-like disk member. Specially configured pyramidal programs are provided for interchangeable mounting on said disk member. The individual programs may be preformed in flat configuration with interlocking edge portions to enable assembly thereof. Appropriate letters and/or symbols are cut out of the flat program sheet prior to assembly thereof, for representing the desired visual experience by a user of the device.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: October 30, 1979
    Inventor: Jeffrey N. Kiefer