Portfolio comparison
Josephine G. Cochrane vs ChaCha Search Inc
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 8577894· 2013
How Human Searchers Unlock Restricted Web Content for Users
Activity by Decade
2010s1
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