Encryption template
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United States of America Patent
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Apr 26, 1994
Grant Date -
N/A
app pub date -
Dec 22, 1992
filing date -
Sep 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An encryption template has a grid of permanent openings thereon forming several arrays which are symmetrically located about a rotational axis, and members for selectively marking certain of the openings to be used for coding a message. Indicia carried on the template and the members facilitate the selection of the openings.
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