Portfolio comparison
DUAL PARKING METER Co vs AST and Science LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
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.