Fredrick J. Sellers, age 83 of Tyrone, died Wednesday at Epworth Manor, Tyrone.  He was born in Northwood, a son of Ronald J and Mary Helen (Schnellbaugh) Sellers.  He married Margaret A. Kimberling who survives of Tyrone.   Also Surviving is a daughter, Lisa M. Sellers of Freedom, Pennsylvania; a sister, Janet K. Rhoades and brother, Louis R. Sellers.  Frederick was a Korean Navy Veteran who retired from Penn State as a facilities worker.  At the request of the deceased there will be no public viewing or funeral service.  Internment in Blair Memorial Park.