Portfolio comparison
Hamilton Watch Co vs Research Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hamilton Watch Co
Patents indexed
1
Year range
1972
Most recent
1972
consumer_electronicssemiconductorssoftware
Top Patents1 enriched
US 3672155· 1972
Hamilton's Early Digital Watch with LED Display
Activity by Decade
1970s1
Top Patents1 enriched
US 1948384· 1934
How Ernest Lawrence Invented the Cyclotron Particle Accelerator
Activity by Decade
1930s1
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