RJ

Roy W. Johansen

AL Allis-Chalmers: 2 patents #45 of 232Top 20%
📍 West Allis, WI: #100 of 315 inventorsTop 35%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,359,459 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4468980 Twin clutch pack for power shift transmission — 1984-09-04
4220372 Dual wheel and axle assembly Robert Haupt 1980-09-02