Portfolio comparison
LaMarcus A. Thompson vs MILTON HAROLD W
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 310966· 1885
Early Roller Coaster Design for Thrill Rides
Activity by Decade
1880s1
Company B
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
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.