Complex sentence: From 1976 to 1993, Columbia Pictures used two logos; the first from 1976 to 1981 and the second from 1981 to 1993.
Split into simpler sentences: From 1976 to 1993, Columbia Pictures was using two logos. The first one was used from 1976 to 1981, and the second one was used from 1981 to 1993.