Portfolio comparison
Bell Telephone Laboratories Inc vs Bell Atlantic Network Services Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Bell Telephone Laboratories Inc
Patents indexed
5
Year range
1950 – 1963
Most recent
1963
semiconductorsconsumer_electronicstelecommunicationsenergy
Top Patents5 enriched
US 2569347· 1951
The Invention of the Junction Transistor
US 2524035· 1950
The Invention of the Transistor
US 2929922· 1960
How the First Laser Was Invented
Activity by Decade
1950s3
1960s2
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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