Printed matter – Having revealable concealed information – fraud preventer or... – Having specific color
Patent
1980-12-29
1985-07-30
Bell, Paul A.
Printed matter
Having revealable concealed information, fraud preventer or...
Having specific color
156108, 428204, 283904, B42D 1502
Patent
active
045317658
ABSTRACT:
Laminated documents, such as ID cards, including a color-coded protective assembly comprising a novel pigment composition integrated with an adhesive bond within the assembly.
REFERENCES:
patent: 2251486 (1941-08-01), Hanson
patent: 3802944 (1974-04-01), Tung
patent: 3930924 (1976-01-01), Oka et al.
patent: 4151666 (1979-05-01), Raphael et al.
patent: 4165002 (1979-08-01), Meagher
patent: 4183554 (1980-01-01), Howard, Jr.
patent: 4199391 (1980-04-01), Andrews
patent: 4223918 (1980-09-01), Smoczynski
Bell Paul A.
Polaroid Corporation, Patent Dept.
Xiarhos Louis G.
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