Assignee
EXCHANGE SYSTEM LP
US·7 granted patents·343 citations·filing 1988–1991
Top patents by PatentIndex Score
7 records- 0181US5008936ABackup/restore technique in a microcomputer-based encryption systemEXCHANGE SYSTEM LP·Filed 1988·Granted Apr 16, 1991·73 cites·11 claims
- 0275US5016277AEncryption key entry method in a microcomputer-based encryption systemEXCHANGE SYSTEM LP·Filed 1988·Granted May 14, 1991·72 cites·7 claims
- 0371US5175766ASignalling scheme for controlling data encryption device in an electronic fund transaction processing systemEXCHANGE SYSTEM LP·Filed 1991·Granted Dec 29, 1992·67 cites·17 claims
- 0463US5128996AMultichannel data encryption deviceEXCHANGE SYSTEM LP·Filed 1988·Granted Jul 7, 1992·30 cites·25 claims
- 0562US5022076ARedundant encryption processor arrangement for use in an electronic fund transfer networkEXCHANGE SYSTEM LP·Filed 1988·Granted Jun 4, 1991·39 cites·7 claims
- 0661US4997288APower supply arrangement for fault-tolerant operation in a microcomputer-based encryption systemEXCHANGE SYSTEM LP·Filed 1988·Granted Mar 5, 1991·30 cites·4 claims
- 0755US5123047AMethod of updating encryption device monitor code in a multichannel data encryption systemEXCHANGE SYSTEM LP·Filed 1991·Granted Jun 16, 1992·32 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →