Portfolio comparison
ELECTRO STRING INSTR CORP vs SolidPower SA
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
ELECTRO STRING INSTR CORP
Patents indexed
1
Year range
1937
Most recent
1937
consumer_electronicsmechanical
Top Patents1 enriched
US 2089171· 1937
How the Frying Pan Guitar Created the Electric Guitar
Activity by Decade
1930s1
Company B
SolidPower SA
Patents indexed
1
Year range
2019
Most recent
2019
energyautomotivetelecommunicationsmaterialsmechanical
Top Patents1 enriched
US 10468695· 2019
How Fuel Cells Get Even Gas Flow with Special Layers
Activity by Decade
2010s1
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