Assignee
DETHLOFF JUERGEN
DE·5 granted patents·1,600 citations·filing 1976–1989
Top patents by PatentIndex Score
5 records- 0193US4837422AMulti-user card systemDETHLOFF JUERGEN·Filed 1987·Granted Jun 6, 1989·754 cites·25 claims
- 0292US4105156AIdentification system safeguarded against misuseDETHLOFF JUERGEN·Filed 1976·Granted Aug 8, 1978·228 cites·27 claims
- 0389US4968873ASmart card issuing and receiving apparatusDETHLOFF JUERGEN·Filed 1989·Granted Nov 6, 1990·463 cites·9 claims
- 0466US4833607AApparatus and method to control economical systemsDETHLOFF JUERGEN·Filed 1987·Granted May 23, 1989·130 cites·13 claims
- 0557US4250560AText processing apparatusDETHLOFF JUERGEN·Filed 1978·Granted Feb 10, 1981·25 cites·31 claims
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