JS

Joseph H. Stein

DR Dravo: 1 patents #27 of 74Top 40%
Overall (All Time): #4,010,725 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4501539 Apparatus for removing the liquid phase from a slurry of fine granular material Edward A. Fenton, Jr., Ira W. Lakin, John R. Lohr, David Andrew Schreiber 1985-02-26