Portfolio comparison
James L. Plimpton vs Apple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James L. Plimpton
Patents indexed
1
Year range
1863
Most recent
1863
mechanicalconsumer_electronics
Top Patents1 enriched
US 37305· 1863
How James Plimpton Invented the Modern Roller Skate
Activity by Decade
1860s1
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
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