Portfolio comparison
James Ritty vs Perimeter Medical Imaging Inc
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
Perimeter Medical Imaging Inc
Patents indexed
1
Year range
2017
Most recent
2017
consumer_electronicsbiotechmedical_devices
Top Patents1 enriched
US 9677869· 2017
How to Create Wide-Field Images of Tissue Using OCT Scanners
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.