JI

John Richard Irwin

📍 Ogden, UT: #5 of 37 inventorsTop 15%
🗺 Utah: #575 of 2,089 inventorsTop 30%
Overall (2025): #336,808 of 469,880Top 75%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12384430 Durable railroad brake stick head Dan B. Follett 2025-08-12