Agreement between Champion Spark Plug Company Ceramic Division Detroit Plant and International Union, United Automobile, Aerospace and Agricultural Implement Workers of America, Local Union 272; Effective: February 1, 1968
International Agreement between Champion Spark Plug Company and Affiliated Companies and International Union, United Automobile, Aerospace and Agricultural Implement Workers of America, UAW-AFL-CIO and Certain Locals Thereof; Effective: March [...]
Agreement between Champion Spark Plug Company Ceramic Division and International Union, United Automobile, Aerospace and Agricultural Implement Workers of America, (UAW-CIO), Local Union 272; Effective August 22, 1951