Portfolio comparison
Sperry Corp vs Energy Partners Inc
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_electronicssemiconductors
Top Patents1 enriched
US 4558302· 1985
How Computers Shrink Data Using a Dynamic Dictionary
Activity by Decade
1980s1
Company B
Energy Partners Inc
Patents indexed
1
Year range
1994
Most recent
1994
automotiveenergysemiconductors
Top Patents1 enriched
US 5346778· 1994
Fuel Cell System for Vehicles with Oxygen Boost
Activity by Decade
1990s1
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