Portfolio comparison
Zenith Radio Corp vs AT&T Intellectual Property I LP
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Zenith Radio Corp
Patents indexed
1
Year range
1957
Most recent
1957
consumer_electronicsmechanical
Top Patents1 enriched
US 2817025· 1957
How the First Wireless Television Remote Control Works
Activity by Decade
1950s1
Company B
AT&T Intellectual Property I LP
Patents indexed
2
Year range
2013 – 2014
Most recent
2014
softwareai_mlconsumer_electronicstelecommunications
Top Patents2 enriched
US 8862582· 2014
How Computers Automatically Organize and Search Photos Using Contextual Data
US 8606929· 2013
How Network Providers Subcontract Data Processing Tasks
Activity by Decade
2010s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.