Portfolio comparison
Zenith Radio Corp vs George Westinghouse, Jr.
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
Top Patents1 enriched
US 88929· 1869
George Westinghouse's Original Steam-Powered Train Brake
Activity by Decade
1860s1
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