Portfolio comparison
Joshua Pusey vs Glass Marvin and Associates
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 483166· 1892
How Joshua Pusey Invented the Paper Matchbook
Activity by Decade
1890s1
Top Patents1 enriched
US 3333846· 1967
How the Classic Operation Board Game Works
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.