Portfolio comparison
MARY P JACOB vs Hobart Manfacturing 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
Company B
Hobart Manfacturing Co
Patents indexed
1
Year range
1918
Most recent
1918
mechanicalconsumer_electronics
Top Patents1 enriched
US 1264128· 1918
How Early Industrial Food Mixers Used Planetary Gear Systems
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.