RH

Robert A. Hoover

PM Prince Manufacturing: 1 patents #1 of 2Top 50%
📍 Sioux City, IA: #3 of 5 inventorsTop 60%
🗺 Iowa: #47 of 364 inventorsTop 15%
Overall (1982): #34,605 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337687 Poppet trip device for hydraulic cylinders — 1982-07-06