Portfolio comparison
Bell Telephone Laboratories Inc vs Norton Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Bell Telephone Laboratories Inc
Patents indexed
2
Year range
1951 – 1957
Most recent
1957
semiconductorscomputingelectronicsphysicstelecommunications
Top Patents2 enriched
US 2569347· 1951
The Transistor — The Invention That Made the Digital Age Possible
US 2780765· 1957
The First Solar Cell That Could Actually Power Something
Activity by Decade
1950s2
Company B
Norton Co
Patents indexed
1
Year range
1995
Most recent
1995
materialsmanufacturingautomotiveconsumer_electronicsmechanical
Top Patents1 enriched
US 5401560· 1995
Making Strong, Stretchy Non-Slip Surfaces with E-Beam Cured Urethane
Activity by Decade
1990s1
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