Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Sanford M. Wichner 1
1 David M. Heffelfinger Bio-Rad Laboratories 1
1 Sheldon Engelhorn Novel Experimental Technology 1
1 Craig R. Davis Alza 1

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