Portfolio comparison
Christopher Latham Sholes vs International Standard Electric Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Christopher Latham Sholes
Patents indexed
1
Year range
1878
Most recent
1878
consumer_electronicsmechanical
Top Patents1 enriched
US 207559· 1878
How the QWERTY Keyboard Layout Was Originally Designed
Activity by Decade
1870s1
Company B
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
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.