Patents by Inventor Jonathan K. Briskin

Jonathan K. Briskin 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: 4820004
    Abstract: The invention relates to new and useful improvements in a kaleidoscope assembly. The primary object being to provide a kaleidoscope with a single pattern-producing device and a single reflecting tube provided with a binocular eyepiece assembly which allows the varying composite image produced by the kaleidoscope to be viewed comfortably with two eyes simultaneously.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: April 11, 1989
    Inventor: Jonathan K. Briskin