Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 David J. Hakes Caterpillar 2
2 Marion B. Grant Caterpillar 1
2 David F. Schaefer Caterpillar 1
2 Miguel Gonzales R. H. Tamlyn & Sons, Lp 1
2 Jeffrey Carter Caterpillar 1

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