Assignee
CTBA ASSOCIATES
US3 patents
Top patents by PatentIndex Score
US4566030AJan 21, 1986
Television viewer data collection system
CTBA ASSOCIATES526 citations98
US4658290AApr 14, 1987
Television and market research data collection system and method
CTBA ASSOCIATES401 citations97
US4546382AOct 8, 1985
Television and market research data collection system and method
CTBA ASSOCIATES529 citations97