Portfolio comparison
Elias Howe vs Sonos Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 4750· 1846
How Elias Howe Invented the Modern Lockstitch Sewing Machine
Activity by Decade
1840s1
Company B
Sonos Inc
Patents indexed
1
Year range
2018
Most recent
2018
consumer_electronicssoftwaretelecommunicationsai_ml
Top Patents1 enriched
US 9965247· 2018
How Sonos Speakers Use Personalized Wake Words to Recognize Different Users
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.