Inventor

HARKNESS DAVID HENRY

US5 patents

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

NIELSEN CO US LLC

4 patents

US11004456B2May 11, 2021

Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content

NIELSEN CO US LLC5 citations83

US10003846B2Jun 19, 2018

Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content

NIELSEN CO US LLC7 citations83

US10555048B2Feb 4, 2020

Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content

NIELSEN CO US LLC3 citations72

US11948588B2Apr 2, 2024

Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content

NIELSEN CO US LLC0 citations62

HARKNESS DAVID HENRY

1 patent

US8666528B2Mar 4, 2014

Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content

HARKNESS DAVID HENRY67 citations95