Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 James E. Doherty Illinois Tool Works 3
2 Frederick Joseph Malcarne Winthrop Tool 2
3 Richard F. Crook Enterex America 1
3 Charles Schaefer Texas Instruments 1

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