Leonard J. Buchmuller, 67, formerly of the 200 block of East Northgate Parkway, died Sunday in his home in Reading, Mich. Mr. Buchmuller was an assistant maintenance foreman with the Ohio Turnpike Commission 18 years, retiring in 1977. During the last three years, he was a weekend gate man at Glendale Downs, a racetrack in Hillsdale, Mich. He was a navy veteran of World War II. Surviving are his wife, Lucille; son, Fred; daughters, Mrs. Carmen Thomas and Mrs. Ruthann Smith; stepson, August Eichenlaub; stepdaughter, Mrs. Carole Kalisik, and sister, Mrs. Mary Burke. Services will be at 10 a.m. Wednesday in the H. H. Birkenkamp Mortuary, Trilby.