Portfolio comparison
Bell Telephone Laboratories Inc vs Central Glass Co Ltd
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
Top Patents1 enriched
US 6033785· 2000
How Car Windows Keep Inside Private Without Blocking the Driver's View
Activity by Decade
2000s1
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