Inventor

VERMEULEN LEON

BE6 patents

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

AGFA GEVAERT NV

3 patents

US5753352AMay 19, 1998

Laminated security document containing fluorescent dye giving light piping

AGFA GEVAERT NV27 citations92

US5824447AOct 20, 1998

Apparatus for security printing using toner particles

AGFA GEVAERT NV42 citations91

US5340692AAug 23, 1994

Image receiving material with nacreous pigment for producing contone images according to the silver salt diffusion transfer process

AGFA GEVAERT NV17 citations65

AGFA GEVAERT

3 patents

US5880760AMar 9, 1999

Method and device for printing information on substrates having security features

AGFA GEVAERT15 citations71

US6821719B2Nov 23, 2004

Process for producing a deformed image without significant image degradation

AGFA GEVAERT2 citations58

US6818390B2Nov 16, 2004

Deformable color photographic silver halide material

AGFA GEVAERT1 citations48