Inventor

ULMEN MATHIAS

DE3 patents

Patents

3 patents

US4643118AFeb 17, 1987

Sewing machine with step motor operated feed device

PFAFF IND MASCH8 citations69

US5105751AApr 21, 1992

Process for carrying out a sewing operation with a sewing machine with needle feed

PFAFF IND MASCH2 citations59

US4590873AMay 27, 1986

Sewing assembly with a sewing machine movable along the work

PFAFF IND MASCH3 citations55