WD Pennsylvania April 1974 casesHotel & Restaurant Employees' Alliance, Local No. 237 v. Allegheny Hotel Co.Marshall Associates, Inc. v. Lite-Tronics, Inc.Billante v. D.D. Davis Construction Company, Inc.Mason v. Calgon Corp.Three Rivers Motors Company v. Ford Motor CompanyChapin Chapin, Inc. v. McShane Contracting Co.Swettlen v. Wagoner Gas and Oil, Inc.Visconti v. Secretary of Health, Ed. and WelfareBethlehem Mines Corp. v. United Mines Wkrs. of A.Mitsos v. United StatesSheeder v. Eastern Express, Inc.Samuel v. University of PittsburghGevyn Const. Corp. v. Affiliated Engineers, Inc.Rhoads v. Ford Motor CompanyZeltzer v. Carte Blanche Corp.Int'l. U., U. Brewery, Etc., Wkrs. v. Duke Co.