Portfolio comparison
ELECTRO STRING INSTR CORP vs Frosted Foods Co Inc
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
Frosted Foods Co Inc
Patents indexed
1
Year range
1930
Most recent
1930
mechanicalconsumer_electronics
Top Patents1 enriched
US 1773079· 1930
How Clarence Birdseye Invented Modern Frozen Food
Activity by Decade
1930s1
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