EC

Egbert Couperus

AL Allis-Chalmers: 2 patents #45 of 232Top 20%
Overall (All Time): #1,678,140 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4598875 Portable crushing and screening plant Larry D. Bronson 1986-07-08
4383651 Portable crushing and screening plant 1983-05-17
4245732 Compactly foldable radial luffing stacker 1981-01-20