Portfolio comparison
EVINRUDE MOTOR CO vs John Gorrie
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 1001260· 1911
How Ole Evinrude Invented the Modern Portable Outboard Motor
Activity by Decade
1910s1
Top Patents1 enriched
US 8080· 1851
John Gorrie's 1851 Patent for Artificial Ice Production
Activity by Decade
1850s1
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