Holographic check authentication article and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 11, 2000
Issued Date -
N/A
app pub date -
Apr 30, 1997
filing date -
Apr 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of making a document, such as a check or stock certificate, having enhanced security against counterfeiting. The document includes a strip of foil having a three dimensional light diffracting image thereon affixed to the document. The strip of foil may be affixed to the document before or after the background printing or face printing of the document is completed. In this manner, the light diffracting strip may be printed on by the background and face printing of the document as desired.
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