Portfolio comparison
International Standard Electric Corp vs George Westinghouse, Jr.
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
International Standard Electric Corp
Patents indexed
2
Year range
1941 – 1949
Most recent
1949
telecommunicationssemiconductorsenergymechanical
Top Patents2 enriched
US 2266401· 1941
How Pulse Code Modulation Digitizes Analog Signals
US 2485586· 1949
How the Geiger Counter Detects Invisible Radiation
Activity by Decade
1940s2
Top Patents1 enriched
US 88929· 1869
George Westinghouse's Original Steam-Powered Train Brake
Activity by Decade
1860s1
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