Portfolio comparison
F Hoffmann La Roche AG vs EVINRUDE MOTOR CO
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 3927193· 1975
Using Radioactive Antibodies to Find Tumors Inside the Body
Activity by Decade
1970s1
Top Patents1 enriched
US 1001260· 1911
How Ole Evinrude Invented the Modern Portable Outboard Motor
Activity by Decade
1910s1
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