Engineered Mechanical Services, Inc. v. Langlois467 So. 2d 531 La.1985Check Treatment 467 So. 2d 531 (1985) ENGINEERED MECHANICAL SERVICES, INC. v. John M. LANGLOIS. ENGINEERED MECHANICAL SERVICES, INC. v. APPLIED MECHANICAL TECHNOLOGY, INC. et al. No. 85-C-0529. Supreme Court of Louisiana. April 19, 1985. Denied. BLANCHE, J., would grant the writ.