Portfolio comparison
James Industries Inc vs John Gorrie
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James Industries Inc
Patents indexed
1
Year range
1947
Most recent
1947
mechanicalconsumer_electronics
Top Patents1 enriched
US 2415012· 1947
How the Slinky Toy Works
Activity by Decade
1940s1
Top Patents1 enriched
US 8080· 1851
John Gorrie's 1851 Patent for Artificial Ice Production
Activity by Decade
1850s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.