BW

Billy B. Willis

AL Allis-Chalmers: 1 patents #89 of 232Top 40%
Overall (All Time): #4,073,569 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4342319 Combined chopper and impeller for an axial flow combine L. Michael Fetters 1982-08-03