Inventor
FRETT KENNETH J
US5 patents
⚠️ This page may combine multiple inventors who share the name “FRETT KENNETH J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN A C CO
3 patentsUS4723302AFeb 2, 1988
Method and apparatus for determining channel reception of a receiver
NIELSEN A C CO281 citations95
US5488408AJan 30, 1996
Serial data channel metering attachment for metering channels to which a receiver is tuned
NIELSEN A C CO135 citations93
US5305464AApr 19, 1994
Method and apparatus for determining channel to which a receiver is tuned
NIELSEN A C CO48 citations90