Portfolio comparison
Interlego AG vs Central Glass Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 3005282· 1961
How LEGO Bricks Connect and Stay Together
Activity by Decade
1960s1
Top Patents1 enriched
US 6033785· 2000
How Car Windows Keep Inside Private Without Blocking the Driver's View
Activity by Decade
2000s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.