Portfolio comparison
Bell Telephone Laboratories Inc vs Warner Lambert Co LLC
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
Warner Lambert Co LLC
Patents indexed
2
Year range
1987 – 1993
Most recent
1993
pharmaceuticalbiotech
Top Patents2 enriched
US 5273995· 1993
How a Cholesterol-Lowering Drug Molecule Was Patented
US 4681893· 1987
The Chemical Formula for Atorvastatin, the Active Ingredient in Lipitor
Activity by Decade
1980s1
1990s1
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