Several different people worked on the idea at the same time, in Japan, Sweden, and Great Britain. An American, Luther George Simjian had filed a patent for a cash dispenser in 1960. In 1967, John Shepherd-Barron invented one for the British bank Barclays.
Working for the automated baggage-handling company Docutel, Wetzel, his colleagues Tom Barnes and George Chastain developed the ATM card we know today: a plastic card with a magnetic strip and an imbedded PIN code.
Do you have an invention hidden in your mind's closet?
What would you invent for convenience?
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