Portfolio comparison
Elisha G. Otis vs Merck and Co Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 31128· 1861
How Elisha Otis Invented the Modern Safety Elevator
Activity by Decade
1860s1
Top Patents1 enriched
US 4231938· 1980
The Discovery of Lovastatin for Lowering Cholesterol
Activity by Decade
1980s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.