Portfolio comparison
Sperry Corp vs Twitter 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
Twitter Inc
Patents indexed
1
Year range
2013
Most recent
2013
mobile-uxgesturesiossocial-mediainteraction-design
Top Patents1 enriched
US 8448084· 2013
Pull Down to Refresh — The Gesture in Every Mobile App
Activity by Decade
2010s1
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