Portfolio comparison
James Industries Inc vs Rainbow Crafts Inc
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 3167440· 1965
How Play-Doh Was Invented
Activity by Decade
1960s1
How to use
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