Portfolio comparison
FLOYD SMITH AERIAL EQUIPMENT C vs Central Investment Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
FLOYD SMITH AERIAL EQUIPMENT C
Patents indexed
1
Year range
1923
Most recent
1923
aerospacemechanical
Top Patents1 enriched
US 1462456· 1923
How Floyd Smith Designed the Modern Parachute Pack and Harness
Activity by Decade
1920s1
Company B
Central Investment Corp
Patents indexed
1
Year range
1973
Most recent
1973
consumer_electronicsmechanical
Top Patents1 enriched
US 3735375· 1973
How Vacuum Tubes Detect Tiny Changes in High-Resistance Sensors
Activity by Decade
1970s1
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