Portfolio comparison
Norton Co vs John Harvey Kellogg
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Norton Co
Patents indexed
1
Year range
1995
Most recent
1995
materialsmechanicalconsumer_electronics
Top Patents1 enriched
US 5401560· 1995
How to Make Durable Non-Slip Surfaces Using Electron Beam Curing
Activity by Decade
1990s1
Top Patents1 enriched
US 558393· 1896
How John Harvey Kellogg Invented Flaked Breakfast Cereals
Activity by Decade
1890s1
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