Portfolio comparison
Josephine G. Cochrane vs Elisha G. Otis
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Josephine G. Cochrane
Patents indexed
1
Year range
1886
Most recent
1886
mechanicalconsumer_electronics
Top Patents1 enriched
US 355139· 1886
Josephine Cochrane's Mechanical Dishwashing Machine
Activity by Decade
1880s1
Top Patents1 enriched
US 31128· 1861
How Elisha Otis Invented the Modern Safety Elevator
Activity by Decade
1860s1
How to use
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