“If I do my job well, the identity program will also clean up the image of the company, position it as being contemporary and keep it from ever looking dated.”
Lawry’s (original design by Saul Bass in 1959, 3D version unknown)
Alcoa (original design by Saul Bass in 1963, tweaked in 1999)
Celanese (original design by Saul Bass in 1965, changed in 200x)
Minolta (original design by Saul Bass in 1978, changed in 2003)
Lots more examples of Saul Bass logos on designer Christian Annyas’ blog. Christian worked-out that the average lifespan of a Saul Bass logo is 34 years. Hugely impressive, but should’ve been longer in my humble opinion.