Portfolio comparison
William S. Burroughs vs Margaret E. Knight
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 388116· 1888
How William Burroughs Invented the First Practical Adding Machine
Activity by Decade
1880s1
Company B
Margaret E. Knight
Patents indexed
1
Year range
1871
Most recent
1871
mechanicalmanufacturingconsumer_goodspackaging
Top Patents1 enriched
US 116842· 1871
How Margaret Knight's Machine Made Flat-Bottom Paper Bags
Activity by Decade
1870s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.