Portfolio comparison
Central Glass Co Ltd vs Prodigy Services Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 6033785· 2000
How Car Windows Keep Inside Private Without Blocking the Driver's View
Activity by Decade
2000s1
Company B
Prodigy Services Co
Patents indexed
1
Year range
1994
Most recent
1994
telecommunicationssoftwareconsumer_electronics
Top Patents1 enriched
US 5347632· 1994
How Early Online Services Delivered Applications Using Networked 'Objects'
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.