Portfolio comparison
Lewis E. Waterman vs General Mills Inc
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
General Mills Inc
Patents indexed
1
Year range
1981
Most recent
1981
materialsconsumer_electronics
Top Patents1 enriched
US 4267420· 1981
How Microwave Crisping Sleeves Work
Activity by Decade
1980s1
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