Portfolio comparison
Sperry Gyroscope Co Inc vs Purdue Research Foundation
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
Company B
Purdue Research Foundation
Patents indexed
1
Year range
2024
Most recent
2024
aerospacesemiconductorsmechanical
Top Patents1 enriched
US 11878818· 2024
How Tiny Water-Powered Thrusters Steer Small Satellites
Activity by Decade
2020s1
How to use
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