Portfolio comparison
LaMarcus A. Thompson vs USAI LLC
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
Top Patents1 enriched
US RE50690· 2025
How Recessed Wall Wash Lights Reduce Glare Using Angled Lenses
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.