Portfolio comparison
James Ritty vs University of Utah
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 271363· 1883
How James Ritty's First Cash Register Tracked Sales
Activity by Decade
1880s1
Company B
University of Utah
Patents indexed
1
Year range
1979
Most recent
1979
biotechmechanicalsemiconductors
Top Patents1 enriched
US 4173796· 1979
How Jarvik's Artificial Heart Uses Electric Motors to Pump Blood
Activity by Decade
1970s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.