Portfolio comparison
General Mills Inc vs John L. Mason
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 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
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