Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Robert K. Dragoo Illinois Tool Works 2
2 Robert A. Roush US Air Force 1
2 David Hugo Barnett Essex Group 1
2 Erik Koik 1
2 Charles Wagner The W. B. Marvin Manufacturing 1

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