Inventor

SCHMELZLE LAWRENCE E

US3 patents

Patents

3 patents

US4963033AOct 16, 1990

Screw refiner

WENGER MFG36 citations90

US5114488AMay 19, 1992

Extrusion method and apparatus for acid treatment of cellulosic materials

WENGER MFG44 citations89

US4728367AMar 1, 1988

Extrusion method and apparatus for acid treatment of cellulosic materials

WENGER MFG20 citations73