Portfolio comparison
John Harvey Kellogg vs FLOYD SMITH AERIAL EQUIPMENT C
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 558393· 1896
How John Harvey Kellogg Invented Flaked Breakfast Cereals
Activity by Decade
1890s1
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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