March 4, 1956: IBM Purchased Ferrite Core Memory Patent
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1956 – An Wang patented Ferrite Core Memory on May 17, 1955. However, IBM used Ferrite cores in their systems and the patent issue started an interesting legal battle. One that ended in IBM purchasing the patent outright for “Several million dollars”. Wang took the funds to build up Wang Laboratories.
Wikazine – Full show notes for March 4
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