U.S. Supreme Court
Carlson v. California, 310 U.S. 106 (1940)
Carlson v. California
Argued February 29, March 1, 1940
Decided April 22, 1940
310 U.S. 106
A municipal ordinance making it unlawful for any person to carry or display any sign, banner or badge in the vicinity of any place of business for the purpose of inducing others to refrain from buying or working there, or for any person to "loiter" or "picket" in the vicinity of any place of business for such purpose held unconstitutional upon the authority of Thornhill v. Alabama, ante, p. 310 U. S. 88.
Appeal from the affirmance of a conviction and sentence under an anti-picketing ordinance. chanroblesvirtualawlibrary