Portfolio comparison
MILTON HAROLD W vs DUAL PARKING METER Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
MILTON HAROLD W
Patents indexed
1
Year range
2000
Most recent
2000
consumer_electronicsgamingtelecommunications
Top Patents1 enriched
US RE36574· 2000
How Early Video Games Synchronized Gameplay Over Modems
Activity by Decade
2000s1
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.