1
Earl R Gomersall: Preprogrammed over-the-air marketing research system. A C Nielsen Company, Mason Kolehmainen Rathburn & Wyss, December 16, 1986: US04630108 (235 worldwide citation)

A preprogrammed over-the-air marketing research system includes transmission facilities for delivering a regularly scheduled television signal and a low power, microwave transmitter or satellite transponder for delivering a special over-the-air television signal, including substitute programming, to ...


2
Gomersall Earl R: Preprogrammed over-the-air marketing research system.. Nielsen A C Co, April 16, 1986: EP0177512-A1 (2 worldwide citation)

A preprogrammed over-the-air marketing research system includes transmission facilities for delivering a regularly scheduled television signal and a low power, microwave transmitter or satellite transponder for delivering a special over-the-air television signal, including substitute programming, to ...


3
Gomersall Earl R: Preprogrammed over-the-air marketing research system. Ac Nielsen Company, VEZEAU Timothy J, October 10, 1985: WO/1985/004543

A preprogrammed over-the-air marketing research system (10) includes transmission facilities (14) for delivering a regularly scheduled television signal and a low power, microwave transmitter (24) or satellite transponder (26) for delivering a special over-the-air television signal, including substi ...