Printed matter – Having revealable concealed information – fraud preventer or...
Patent
1993-06-18
1995-07-04
Fridie, Willmon
Printed matter
Having revealable concealed information, fraud preventer or...
283 91, 283 93, 283 76, 283901, B42D 1500
Patent
active
054293928
ABSTRACT:
A composite microdot fabricated form a microdot and at least one composite layer. The composite layer is selected to impart to the composite microdot at least one of the characteristics of enhanced visibility, camouflage, buoyancy control, magnetic attraction, and controlled biodegradation. A second composite layer may also be applied to the microdot. A coating may also be selectively applied to the composite microdot, the coating having at least one of the features of being waterproof, water repellant, hydrophilic, soluble and opaque.
REFERENCES:
patent: 4984824 (1991-01-01), Antes et al.
Fridie Willmon
Young J. Winslow
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