Patricia L. Miller, age 66, Bellwood, died Thursday morning at her residence.  She was born in Altoona, a daughter of the late CharlesB. and Caroline L. (Bonsell) Miller.  Surviving are her life companion, William A. Berardi; a sister, Linda B. Witherspoon; brothers:  Robert C. and William A. Miller; and her two dogs:  Casey and Suzy.  At the request of the deceased there will be no public viewing or funeral service.