Jack M. Sattinger, entertainment attorney whose four-decade career began at Monogram Pictures in 1956 and who later became vice president of Warner Bros.’ legal department, died Monday of natural causes in Los Angeles. He was 76.Sattinger first worked with his father-in-law, Steve Broidy, president of Monogram, before leaving to start a private practice. In that practice, Sattinger represented a diverse group of talent, including Curtis Hanson, Jack Harris and Wilhemina Models. Motion Picture Academy member had been employed by Warner Bros. since 1980 when he started as inhouse counsel. Sattinger, who spent his entire life in Los Angeles, received both undergraduate and law degrees from UCLA and served on the Board of Governors for Cedars-Sinai Medical Center. He is survived by his wife of 47 years, Ellie; daughters Jill Sattinger, also an entertainment attorney, and Janis Sattinger; and a brother.