In re the Marriage of Howard F. KARON, Petitioner, Appellant, v. Frima M. KARON, Respondent. No. C2-87-976.Supreme Court of Minnesota. January 30, 1989. Appeal from the Hennepin County District Court. Syllabus by the Court A stipulation in which the parties expressly waive their rights to modify the maintenance terms of the dissolution decree effectively prevents […]