RH

Robert W. Harper

📍 Metamora, IL: #8 of 25 inventorsTop 35%
🗺 Illinois: #3,096 of 9,161 inventorsTop 35%
Overall (2020): #297,846 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10663026 Belleville washer and Belleville spring — 2020-05-26