Printing method and copy-evident secure document

Details Printing method and copy-evident secure document Printing method and copy-evident secure document

1992-04-24

1996-01-30

Rosenbaum, Mark

Printed matter

Having revealable concealed information, fraud preventer or...

283 58, 283 62, 283 67, 283 85, 283 93, 283 94, 283902, B42D 1500

Patent

active

054875676

ABSTRACT:
Disclosed is a method of providing a copy-evident feature to documents and the documents produced thereby. The process allows the printing of a novel security design which is difficult to see with the naked eye when casually inspecting the document, but which will be immediately apparent in a copy if the document is photocopied or transmitted via facsimile.

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