Copy restrictive documents
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United States of America Patent
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Dec 1, 1998
Issued Date -
N/A
app pub date -
May 9, 1997
filing date -
Feb 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots in said document inhibits a copy machine from copying the document.
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