Portfolio comparison
MARY P JACOB vs Biosphere Aerospace LLC
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 9073647· 2015
A Modular Launch System with an Expandable Mast for Spacecraft
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.