JB

James R. Bernhagen

Caterpillar: 4 patents #1,659 of 8,398Top 20%
📍 Eldridge, IA: #17 of 62 inventorsTop 30%
🗺 Iowa: #3,757 of 15,303 inventorsTop 25%
Overall (All Time): #1,233,366 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8195365 Operator restraint system Robert Quincy Elliott, John M. Hadank, David James Edwards 2012-06-05
7210356 Physical agents directive dosimeter system 2007-05-01
4700794 Vehicle steering apparatus Elmer R. Crabb, Marilyn S. Murphy, Daniel G. Roley, Gene R. St. Germain, James H. Tunnell 1987-10-20
4343563 Tapered spline and method of manufacturing same 1982-08-10