Portfolio comparison
Lewis E. Waterman vs University of Delaware
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Lewis E. Waterman
Patents indexed
1
Year range
1884
Most recent
1884
mechanicalconsumer_goodsmanufacturing
Top Patents1 enriched
US 293545· 1884
How Lewis Waterman's Original Fountain Pen Design Worked
Activity by Decade
1880s1
Company B
University of Delaware
Patents indexed
1
Year range
2001
Most recent
2001
consumer_electronicssoftwaretelecommunicationssemiconductors
Top Patents1 enriched
US 6323846· 2001
How a Multi-Touch Screen Detects Multiple Fingers and Palms
Activity by Decade
2000s1
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