Patricia Ann Grove of Houston, Texas, formerly of Springfield, died at 5:00 p.m. Tuesday, July 15, 1993 at her mother's residence in Lombard, IL.  Miss Grove attended Millikin University and Indiana University.  She was an office manager at Century Engineering in Houston.  Surviving are her mother, Mrs. Vaughn (Marian) Hershey of Lombard; a brother, William Grove of Villa Park; and, two nephews.