Dandy roll with a grid of diamond shapes
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United States of America Patent
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-
Aug 3, 1999
Grant Date -
N/A
app pub date -
Jul 22, 1997
filing date -
Jul 22, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Paper bearing a unique watermark having a grid pattern of translucent lines and repeating translucent diamond shapes at alternating intersections of the lines produced using a dandy roll in which the outer grid comprises a rectangular grid pattern where alternate intersections are provided with substantially diamond shapes.
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