System and method for safe mail transmission

X-ray or gamma ray systems or devices – Specific application – Absorption

Reexamination Certificate

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Details

C378S162000

Reexamination Certificate

active

10249005

ABSTRACT:
A method and system for safe mail transmission is provided. A letter is created with a marking compound that provides contrast in a detection system. The letter is sealed in a protective enclosure and scanned when received.

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