Patents by Inventor Robert S. Liptak

Robert S. Liptak 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).

  • Display holder for brochures and the like
    Patent number: D267383
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: December 28, 1982
    Assignee: Integral Design, Inc.
    Inventors: Richard M. Liptak, Robert S. Liptak
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    Patent number: D267416
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: December 28, 1982
    Assignee: Integral Design, Inc.
    Inventors: Richard M. Liptak, Robert S. Liptak