Portfolio comparison
Nielsen Co US LLC vs DUAL PARKING METER Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Nielsen Co US LLC
Patents indexed
1
Year range
2015
Most recent
2015
consumer_electronicstelecommunicationsmechanical
Top Patents1 enriched
US RE45786· 2015
How Nielsen Tracks What You Listen to in Your Car
Activity by Decade
2010s1
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
How to use
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