Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Crystal Roney Ameritech 2
2 Tapas K. DasGupta University Of Illinois 1
2 Timothy Ames Sloan Valve 1
2 Donna Marcuccilli 1
2 Michael W. Mastropietro Wms Gaming 1
2 Charles S. Allen Sloan Valve 1
2 Michael W. Evon 1
2 David W. Record Wm. Wrigley Jr. 1
2 Noel M. Phillips Ade 1

Part of Illinois