Inventor

MCKENNA WILLIAM JOHN

US2 patents

⚠️ This page may combine multiple inventors who share the name “MCKENNA WILLIAM JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIELSEN CO US LLC

1 patent

US9711153B2Jul 18, 2017

Activating functions in processing devices using encoded audio and detecting audio signatures

NIELSEN CO US LLC4 citations70

STAVROPOULOS JOHN

1 patent

US9386069B2Jul 5, 2016

Media exposure data collection and security

STAVROPOULOS JOHN0 citations33