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Portfolio comparison

Bell Telephone Laboratories Inc vs Minnesota Mining and Manufacturing 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

Activity by Decade

1950s
2

Company B

Minnesota Mining and Manufacturing Co

Patents indexed

1

Year range

1979

Most recent

1979

materials-scienceadhesivesoffice-suppliesconsumer-goodspolymer-chemistry

Activity by Decade

1970s
1

How to use

Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.