Portfolio comparison
Sperry Corp vs US Department of Agriculture USDA
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Sperry Corp
Patents indexed
1
Year range
1985
Most recent
1985
softwaretelecommunicationsconsumer_electronics
Top Patents1 enriched
US 4558302· 1985
How Computers Compress Data Using Dictionary Building
Activity by Decade
1980s1
Company B
US Department of Agriculture USDA
Patents indexed
1
Year range
1948
Most recent
1948
biotechpharmaceutical
Top Patents1 enriched
US 2442141· 1948
How Andrew Moyer Learned to Mass-Produce Penicillin
Activity by Decade
1940s1
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