Assignee
NAT INFORMATION UTILITIES CORP
US·3 granted patents·427 citations·filing 1983–1984
Top patents by PatentIndex Score
3 records- 0192US4768087AEducation utilityNAT INFORMATION UTILITIES CORP·Filed 1983·Granted Aug 30, 1988·323 cites·39 claims
- 0284US4646290AData transmission method and apparatusNAT INFORMATION UTILITIES CORP·Filed 1984·Granted Feb 24, 1987·46 cites·66 claims
- 0380US4558454ADigital partial response filterNAT INFORMATION UTILITIES CORP·Filed 1983·Granted Dec 10, 1985·58 cites·11 claims
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