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

Daryl G. Collins — 1 Patent

Hollydale, CA: #1 of 1 inventorsTop 100%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,654,734 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5926931 Retention knob extraction tool 1999-07-27