Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Richard Soelch E.I. Du Pont De Nemours And 1
1 Richard Jack Hassler 1
1 Michael Gerhard Hassler Rutgerswerke 1
1 Grant A. Drew New Hampshire Ball Bearing 1
1 Richard Michael Hassler 1

Part of New Hampshire