Assignee
DE LA RUE CO PLC
GB·6 granted patents·373 citations·filing 1984–1992
Top patents by PatentIndex Score
6 records- 0189US5199744ASecurity deviceDE LA RUE CO PLC·Filed 1992·Granted Apr 6, 1993·78 cites·25 claims
- 0287US4747620ASecurity card and security card blankDE LA RUE CO PLC·Filed 1986·Granted May 31, 1988·74 cites·32 claims
- 0376US4629874APrepayment metering systemDE LA RUE CO PLC·Filed 1984·Granted Dec 16, 1986·78 cites·15 claims
- 0470US4752965ASign verificationDE LA RUE CO PLC·Filed 1987·Granted Jun 21, 1988·89 cites·13 claims
- 0558US4751525AScanning system and method of scanningDE LA RUE CO PLC·Filed 1986·Granted Jun 14, 1988·21 cites·19 claims
- 0647US4680801ASign verificationDE LA RUE CO PLC·Filed 1985·Granted Jul 14, 1987·33 cites·20 claims
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