Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Grinnell, IA 2025

4 patents  ·  3 inventors  ·  0.4/1k pop.

Ranked #13,188 of 40,155 cities Top 35%

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Lisle J. Dunham Case Gmbh 2
2 Chris Arnold HP 1
2 Craig Shore New York Air Brake 1

Part of Iowa