Portfolio comparison
Sperry Gyroscope Co Inc vs Hewlett Packard Development Co LP
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
Hewlett Packard Development Co LP
Patents indexed
1
Year range
2011
Most recent
2011
telecommunicationssemiconductorssoftware
Top Patents1 enriched
US 7904576· 2011
How to Send Data Streams Independently Without Connection Overload
Activity by Decade
2010s1
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