Inventor

GRAF JEAN-PIERRE

CH2 patents

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

HEIDELBERGER DRUCKMASCH AG

1 patent

US4856903AAug 15, 1989

Electronic device for determining a register error in multi-color printing machines

HEIDELBERGER DRUCKMASCH AG15 citations72

FOERDERUNG FORSCHUNG GMBH

1 patent

US4123778AOct 31, 1978

Method of and apparatus for determining the sharpness of a picture

FOERDERUNG FORSCHUNG GMBH10 citations66