Jürgen Dethloff
Jürgen Dethloff (12 May 1924 in Stettin – 31 December 2002) was a German inventor and engineer. AchievementsTogether with German inventor Helmut Gröttrup he invented the smart card (chip card). A successor of the original chip is now used in tens of millions of credit cards. PatentDethloff and Gröttrup filed an application for a patent on 13 Sep 1969. However, the patent was only granted on 1 April 1982.[1]
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