Portfolio comparison
Alfred Nobel vs MARY P JACOB
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 78317· 1868
How Alfred Nobel Stabilized Nitroglycerin with Dynamite
Activity by Decade
1860s1
Top Patents1 enriched
US 1115674· 1914
How Mary Phelps Jacob Invented the Modern Backless Brassiere
Activity by Decade
1910s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.