Portfolio comparison
Henry W. Seely vs Brunswick Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 259054· 1882
Henry Seely's 1882 Electric Flatiron
Activity by Decade
1880s1
Top Patents1 enriched
US 3378274· 1968
How the Snurfer Invented Modern Snowboarding
Activity by Decade
1960s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.