Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Donald J. Barta Phelps Dodge Industries 1
1 Thomas J. Beal Majco Building Specialties 1
1 James C. Duguid Navistar International Transportation 1
1 David G. Bouman 1
1 Ted J. Kaufman Dana Limited 1

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