Portfolio comparison
James L. Plimpton vs Twintech EU LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James L. Plimpton
Patents indexed
1
Year range
1863
Most recent
1863
mechanicalconsumer_electronics
Top Patents1 enriched
US 37305· 1863
How James Plimpton Invented the Modern Roller Skate
Activity by Decade
1860s1
Company B
Twintech EU LLC
Patents indexed
1
Year range
2011
Most recent
2011
consumer_electronicssoftwaretelecommunications
Top Patents1 enriched
US 8069204· 2011
How Apps Fetch Data in the Background While You Are Offline
Activity by Decade
2010s1
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