Portfolio comparison
Arnold O. Beckman vs Josephine G. Cochrane
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Arnold O. Beckman
Patents indexed
1
Year range
1936
Most recent
1936
biotechmechanicalsemiconductors
Top Patents1 enriched
US 2058761· 1936
How Arnold Beckman Invented the Modern pH Meter
Activity by Decade
1930s1
Company B
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
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