Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CD

Christopher J. Duffy

Sunnyvale, CA: #10,174 of 14,302 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,815,352 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5179640 Generating repeating patterns from a pattern header 1993-01-12