Mr. and Mrs. Robert Mammoser of Hamburg celebrated their 60th wedding anniversary with a cocktail hour hosted by their son-in-law and daughter, Les and Lynda Draudt, followed by a dinner celebration at Eckl’s Restaurant in Orchard Park, a family favorite for years. Mr. Mammoser and the former Judith Gaylord were married Feb. 16, 1957, in St. Peter and Paul’s Roman Catholic Church n Hamburg. They plan to renew their vows at St. Bernadette’s Roman Catholic Church in Orchard Park, in a ceremony presided over by the Rev. Paul Seil. Mr. Mammoser is retired from IBM. They have four daughters and seven grandchildren.