Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Simeon E. Tiefel Tucker International 2
2 John T. Filer S&B Technical Products 1
2 Gregory D. Cady 1
2 Rick Magley Crayola 1

Part of Arkansas