Portfolio comparison
Sperry Gyroscope Co Inc vs Centocor Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 1242065· 1917
How Elmer Sperry Invented the Gyroscopic Compass for Ships
Activity by Decade
1910s1
Top Patents1 enriched
US 7070775· 2006
How Engineered Antibodies Block Inflammation-Causing Proteins
Activity by Decade
2000s1
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