Here is a chart that goes through the evolution of the Batman logo from the 1940's Batman and Robin: The Boy Wonder to The Dark Knight Rises.

A comprehensive and extensive chart of the Batman logo evolution, spanning over 72 years from 1940 - 2012 to map the transformation of a timeless hero. Each poster is stamped and numbered by artist Cathryn Lavery from an edition of 500.

Different sized prints are available for purchase here.