433 U.S. 36 97 S.Ct. 2549 53 L.Ed.2d 568 CONTINENTAL T. V., INC., et al., Petitioners,v.GTE SYLVANIA INCORPORATED. No. 76-15. Argued Feb. 28, 1977. Decided June 23, 1977. Syllabus In an attempt to improve its market position by attracting more aggressive and competent retailers, respondent manufacturer of television sets limited the number of retail franchises […]