Mr. and Mrs. Joseph Trimper Sr. of Buffalo celebrated their 55th wedding anniversary with family and friends. Mr. Trimper and the former Joan Fritz were married Aug. 29, 1959, in St. Boniface Catholic Church in Buffalo. He is a retired utility man and division chairman at Dunlop Tire with 33 years of service. She is a retired assembler and packer for Litelab Corp. with 19 years of service and formerly worked for Burczynski Bakery for 19 years. They have three children and five grandchildren.