Skip to content
PatentBrief

Portfolio comparison

Twitter Inc vs Bell Telephone Laboratories Inc

Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.

Company A

Twitter Inc

Patents indexed

1

Year range

2013

Most recent

2013

mobile-uxgesturesiossocial-mediainteraction-design

Activity by Decade

2010s
1

Company B

Bell Telephone Laboratories Inc

Patents indexed

2

Year range

1951 – 1957

Most recent

1957

semiconductorscomputingelectronicsphysicstelecommunications

Activity by Decade

1950s
2

How to use

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