Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 James Robert Johnson The Procter & Gamble 1
1 David C. Newkirk Hill-Rom Services 1
1 John Joseph Litchholt The Procter & Gamble 1
1 Marcus H. Mendenhall Vanderbilt University 1

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