P

Inventor

HANUS HELFRIED

DE4 patents
⚠️ This page may combine multiple inventors who share the name “HANUS HELFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PFAFF HAUSHALTMASCH

3 patents
US4317032AFeb 23, 1982

Pulse generator for variable-speed drives

PFAFF HAUSHALTMASCH16 citations69
US4751888AJun 21, 1988

Pulse generator for a sewing machine drive

PFAFF HAUSHALTMASCH6 citations57
US5310968AMay 10, 1994

Digitizing device

PFAFF HAUSHALTMASCH0 citations36

PFAFF AG G M

1 patent
US5647291AJul 15, 1997

Catch thread device for sewing machines

PFAFF AG G M2 citations54