Portfolio comparison
Sperry Gyroscope Co Inc vs Terayon Communication Systems 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
Company B
Terayon Communication Systems Inc
Patents indexed
1
Year range
2003
Most recent
2003
telecommunicationssemiconductorsmechanical
Top Patents1 enriched
US 6665308· 2003
How Cable Modems Fix Signal Distortions Before Sending Data
Activity by Decade
2000s1
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