C
Curtis W. Ingalls
Publications - 1
Citations - 87
Curtis W. Ingalls is an academic researcher. The author has contributed to research in topics: Watermark. The author has an hindex of 1, co-authored 1 publications receiving 87 citations.
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Protected document bearing watermark and method of making
TL;DR: In this paper, the method of making the document comprising preprinting a "VOID" or other warning or cancellation phrase pattern in half tone or multitone on the document and camouflaging this pattern is also disclosed The document bears a watermark which adds to the security of the system