AA

Alvin W. Acker

AL Allis-Chalmers: 2 patents #45 of 232Top 20%
Overall (All Time): #2,363,032 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4402181 Hydraulic drive system for a vehicle Clyde R. Headrick 1983-09-06
4393959 Hydraulic stabilizer for axle on mast lift vehicle 1983-07-19