Portfolio comparison
Lewis E. Waterman vs Perimeter Medical Imaging Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Lewis E. Waterman
Patents indexed
1
Year range
1884
Most recent
1884
mechanicalconsumer_goodsmanufacturing
Top Patents1 enriched
US 293545· 1884
How Lewis Waterman's Original Fountain Pen Design Worked
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.