Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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William Ray Purser

San Diego, CA: #15,630 of 23,606 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,571,352 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6183325 Oarlock height adjuster for a rowing or sculling shell 2001-02-06