Portfolio comparison
Lewis E. Waterman vs Apple
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
Apple
Patents indexed
2
Year range
2021
Most recent
2021
consumer_electronicssoftwaretelecommunicationsmechanicalaugmented_reality
Top Patents2 enriched
US 10942571· 2021
How Laptops Create Localized Vibrations on Their Surfaces
US 20210117042
How Devices Detect Touch Using Heat Signatures
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.