Inventor

OPPENLANDER HARRY

2 patents

Patents

2 patents

US4147459AApr 3, 1979

Shifting device connected with a longwall conveyor for a progressive timbering frame

THYSSEN INDUSTRIE2 citations57

US4183701AJan 15, 1980

Coupling gear for lemniscate shield timbering frame

THYSSEN INDUSTRIE3 citations48