Inventor

HERRMANN ERICH

DD3 patents

Patents

3 patents

US4776154AOct 11, 1988

Stone detector for field chopper

FORTSCHRITT VEB K18 citations69

US4758788AJul 19, 1988

Metal detector for intake of field chopper

FORTSCHRITT VEB K15 citations69

US4720963AJan 26, 1988

Method of detecting stones in the intake of a field chopper

FORTSCHRITT VEB K9 citations69