Portfolio comparison
Lewis E. Waterman vs University of Minnesota System
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 Minnesota System
Patents indexed
1
Year range
2024
Most recent
2024
energymechanicalsoftwaretelecommunications
Top Patents1 enriched
US 11946452· 2024
How Wind Turbines Adapt to Icy Weather to Keep Making Power
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.