Assignee

VIEWFACTS INC

US·2 granted patents·690 citations·filing 1988–1992

Technology mixG09B1 H04H1 H04N1 Y02D1

Top patents by PatentIndex Score

2 records

0197US5226177AReal-time wireless audience response systemVIEWFACTS INC·Filed 1992·Granted Jul 6, 1993·476 cites·47 claims
0295US4955070AApparatus and method for automatically monitoring broadcast band listening habitsVIEWFACTS INC·Filed 1988·Granted Sep 4, 1990·214 cites·58 claims

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