Portfolio comparison
Hamilton Watch Co vs Bell Atlantic Network Services 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
Company B
Bell Atlantic Network Services Inc
Patents indexed
1
Year range
1999
Most recent
1999
telecommunicationsmechanical
Top Patents1 enriched
US 5920821· 1999
How Phones Automatically Find and Update Network Lists Using CDPD
Activity by Decade
1990s1
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