Arri valsMr. and Mrs. Dorns Loos. 219 N. Fifth St., are the parents of a seven-pound, seven and one-half ounce son born Aug. 17. He has been named David Michael.Grandparents are Mr. and Mrs. Willard Loos, 324 N. Fourth St., and Mr. and Mrs. Stanley King, Guernsey R.D. 2.Great-grandmothers are Mrs. Mary Loos, 320 N. Fourth St., and Mrs. Haiel Lowry, Guernsey R.D. 2.