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IBM Logos | 1924 - 1947

IBM Logos | 1947 (hollow letters)

IBM Logos | 1947 - 1956 (one indication: left leg of the letter "M" is thinner)

IBM Logos | 1956 - 1967 (solid letters, uniform thickness)

IBM Logos | 1967 - 1972 (the 13-striper); see also the separate category named "Xtra.13-striper"

IBM Logos | 1972 - Present (the 8-bar logo)

IBM Logos | Eye Bee M (The Eye-Bee-M logo is a pictured analogy of the company logo; designed by Paul Rand (1914 - 1996) in 1981. The Eye stands for vision; the Bee for Engagement; the M for Humanity.)

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