Patents by Inventor S. Robert Greenberg

S. Robert Greenberg 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: D266945
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: November 16, 1982
    Inventor: S. Robert Greenberg