Portfolio comparison
Central Glass Co Ltd vs Wham O Manufacturing Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Central Glass Co Ltd
Patents indexed
1
Year range
2000
Most recent
2000
automotivemechanicalmaterials
Top Patents1 enriched
US 6033785· 2000
How Car Windows Use Special Coatings to Balance Privacy and Visibility
Activity by Decade
2000s1
Company B
Wham O Manufacturing Co
Patents indexed
1
Year range
1967
Most recent
1967
mechanicalconsumer_electronics
Top Patents1 enriched
US 3359678· 1967
How the Modern Frisbee Design 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.