Portfolio comparison
UVP Inc vs Margaret E. Knight
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
UVP Inc
Patents indexed
1
Year range
1986
Most recent
1986
manufacturingmechanicalmaterialssoftwareconsumer_electronics
Top Patents1 enriched
US 4575330· 1986
How 3D Printers Build Objects Layer by Layer from Liquid
Activity by Decade
1980s1
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
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