Patents by Inventor Leonard H. Israel

Leonard H. Israel 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).

  • Three dimensional game board
    Patent number: D259644
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: June 23, 1981
    Inventors: Leonard H. Israel, Perry J. Grant
  • Game board
    Patent number: D265214
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: June 29, 1982
    Inventors: Leonard H. Israel, Perry J. Grant
  • Game playing piece
    Patent number: D272640
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: February 14, 1984
    Inventors: Leonard H. Israel, Perry J. Grant