Harrigan & Reid Co. v. Burton

Plaintiff is a Michigan corporation extensively engaged, among other things, in the business of selling and installing, as heating contractor and engineer, heating systems and apparatus in dwellings in the city of Detroit. Defendant Burton is commissioner in charge of the department of buildings and safety engineering of the city of Detroit, and defendant Brozo is chief inspector of the heating division of said department. Plaintiff filed this bill to restrain defendants from threatened enforcement against it of an ordinance of the city of Detroit entitled :

“An ordinance to regulate the…