Portfolio comparison
General Mills Inc vs John Harvey Kellogg
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 558393· 1896
How John Harvey Kellogg Invented Flaked Breakfast Cereals
Activity by Decade
1890s1
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