Portfolio comparison
Hamilton Watch Co vs AST Research Inc
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 5754176· 1998
How Interactive Pop-up Help Windows Work in Computer Interfaces
Activity by Decade
1990s1
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