Portfolio comparison
MARY P JACOB vs Posco Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 1115674· 1914
How Mary Phelps Jacob Invented the Modern Backless Brassiere
Activity by Decade
1910s1
Top Patents1 enriched
US 20250246702
Mobile Factories for Recycling Used Electric Vehicle Batteries
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.