Date: Sep 21, 2013 Source: TMCnet (
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(Targeted News Service Via Acquire Media NewsEdge) By Targeted News Service ALEXANDRIA, Va., Sept. 21 -- Angel Secure Networks, Old Town, Maine, has been assigned a patent (8,537,009) developed by Charles T. Hess, Stillwater, Maine, and Fred Hewitt Smith, Old Town, Maine, for "container security devices, systems, and method ." The abstract of the patent published by the U.S. Patent and Trademark Office states: "A dosimeter is disclosed for use in container including outer walls defining an interior volume, the dosimeter including: a radon detection element adapted to detect a radon level for the interior volume; a neutron detection element adapted detect a neutron level for the interior volume. The dosimeter is adapted to measure the radon level and neutron level for a period of time, compare the measured radon level to a first threshold, compare the measured neutron level to a second threshold, and determine information indicative of the presence or absence of fissile material within the interior volume based on the comparisons." The patent application was filed on Feb. 1, 2008 (12/596,967). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8537009.PN.&OS=PN/8537009&RS=PN/8537009 Written by Sudarshan Harpal; edited by Jaya Anand.