Portfolio comparison
James L. Plimpton vs FLOYD SMITH AERIAL EQUIPMENT C
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
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
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