Portfolio comparison
Lewis E. Waterman vs F Hoffmann La Roche AG
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
Top Patents1 enriched
US 3927193· 1975
Using Radioactive Antibodies to Find Tumors Inside the Body
Activity by Decade
1970s1
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