Portfolio comparison
Henry W. Seely vs Corning Glass Works
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
Company B
Corning Glass Works
Patents indexed
2
Year range
1973
Most recent
1973
materialsmechanicaltelecommunicationsconsumer_electronics
Top Patents2 enriched
US 3711262· 1973
How Corning Invented Modern Fiber Optic Cables
US 3778335· 1973
How Chemically Strengthened Glass Works
Activity by Decade
1970s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.