Mr. and Mrs. Frederick L. “Fritz” Schweiger of North Tonawanda celebrated their 50th wedding anniversary with a dinner hosted by their children for family and friends in Banchetti by Rizzo’s, Getzville. Mr. Schweiger and Patricia A. Zajak were married Nov. 30, 1963, in Holy Trinity Catholic Church, Niagara Falls. He is a retired chemical engineer and production manager for Occidental Chemical Corp., Niagara Falls. She is a retired nurse. They have three children and four grandchildren.