Portfolio comparison
Margaret E. Knight vs Standard Oil Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 1049667· 1913
How William Burton Invented Modern Gasoline Refining
Activity by Decade
1910s1
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