Portfolio comparison
John Harvey Kellogg vs AST and Science LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 558393· 1896
How John Harvey Kellogg Invented Flaked Breakfast Cereals
Activity by Decade
1890s1
Company B
AST and Science LLC
Patents indexed
1
Year range
2023
Most recent
2023
telecommunicationsaerospacemechanical
Top Patents1 enriched
US 11623768· 2023
How Satellite Swarms Keep Their Solar Panels and Antennas Pointed Correctly
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.