Inventor
HANNEMANN FRANZ
6 patents
Patents
6 patentsUS4417535ANov 29, 1983
Sewing machine belt feeder with tensioner
DUERKOPPWERKE22 citations79
US4258637AMar 31, 1981
Movable workpiece-clamping attachment for sewing machine
DUERKOPPWERKE10 citations71
US4062309ADec 13, 1977
Automatic feed device for sewing machine
DUERKOPPWERKE11 citations70
US4102280AJul 25, 1978
Feed device for flexible workpieces, especially for a sewing machine
DUERKOPPWERKE6 citations60
US4104977AAug 8, 1978
Fabric-feed control for sewing machine
DUERKOPPWERKE6 citations59
US4227471AOct 14, 1980
Sewing-machine guide for edge-parallel seaming of a workpiece
DUERKOPPWERKE4 citations56