Advertising device
Business record having a multicolor imagable surface
Business record having a multicolor imagable surface
Document security system
Document with heat and pressure sensitive chromogentic compositi
Hidden entry system and image-developing device therefor
Irreversible display with temporary imaging stage
Irreversible metal film display
Irreversible thin film display with clearing agent
Leach resistant ink for protecting documents from alteration and
Lottery ticket having validation data printed in developable inv
Printed matter
Secure document
Security document verification system with pressure-rupturable m
Security for images formed by impact based systems
Solvent and/or pressure sensitive security document