Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Alan Donald

San Diego, CA: #15,630 of 23,606 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,963,820 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4787971 Miniaturized column chromatography separation apparatus and method of assaying biomolecules employing the same 1988-11-29