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PatentBrief

Portfolio comparison

LaMarcus A. Thompson vs California Institute of Technology

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

Company A

LaMarcus A. Thompson

Patents indexed

1

Year range

1885

Most recent

1885

automotive

Activity by Decade

1880s
1

Company B

California Institute of Technology

Patents indexed

3

Year range

1987 – 2019

Most recent

2019

consumer_electronicssemiconductorssoftwareai_mltelecommunications

Activity by Decade

1980s
1
1990s
1
2010s
1

How to use

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