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PatentBrief

Portfolio comparison

John Gorrie vs William S. Burroughs

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

Company A

John Gorrie

Patents indexed

1

Year range

1851

Most recent

1851

mechanicalenergy

Activity by Decade

1850s
1

Company B

William S. Burroughs

Patents indexed

1

Year range

1888

Most recent

1888

mechanicalfinance

Activity by Decade

1880s
1

How to use

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