(April 2, 2018, 8:22 AM EDT) -- WASHINGTON, D.C. — A casino gaming equipment company asked the U.S. Supreme Court March 19 to review a ruling by a California appellate court that a promissory note signed by an Indian tribe for payment of gaming machines was part of a management contact and, therefore, required approval by the National Indian Gaming Commission (NIGC) (Sharp Image Gaming, Inc. v. Shingle Springs Band of Miwok Indians, No. 17-1330, U.S. Sup., 2018 U.S. S. Ct. Briefs LEXIS 1158)....