Inventor

LACEY PAUL D

GB3 patents

Patents

3 patents

US4875589AOct 24, 1989

Monitoring system

DE LA RUE SYST57 citations94

US4710963ADec 1, 1987

Apparatus for sensing the condition of a document

DE LA RUE SYST42 citations88

US4935628AJun 19, 1990

Method and apparatus for detecting inks

DE LA RUE SYST22 citations80