Portfolio comparison
Walter Hunt vs Auburn Audio Technologies Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 6281· 1849
How Walter Hunt Invented the Modern Safety Pin
Activity by Decade
1840s1
Company B
Auburn Audio Technologies Inc
Patents indexed
1
Year range
1999
Most recent
1999
consumer_electronicssoftware
Top Patents1 enriched
US 5973252· 1999
How Real-Time Pitch Correction and Auto-Tune Technology Works
Activity by Decade
1990s1
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