The first aircraft autopilot was developed by Sperry Corporation in 1912.
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A patent that was invalidated is the 1964 ENIAC computer patent
that was acquired by Sperry Rand Corporation and invalidated by the
court case 1967 Honeywell vs. Sperry Rand.
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Remington Rand was a business that was established in 1927 when
the companies Remington Typewriter and Rand Kardex Corporation
merged. Sperry Corporation bought Remington Rand in 1955.