Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Billy J. Drosky — 1 Patent

San Francisco, CA: #18,903 of 26,999 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,017,678 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4527450 Stopper extractor 1985-07-09