Measuring and testing – Gas analysis – Solid content of gas
Reexamination Certificate
2007-02-20
2007-02-20
Williams, Hezron (Department: 2856)
Measuring and testing
Gas analysis
Solid content of gas
C073S031030, C073S864330, C209S606000, C209S655000, C209S659000, C209S663000
Reexamination Certificate
active
11282268
ABSTRACT:
Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfare Agents (CBWAs) which may be present within the mail pieces. The system is principally designed to be included as part of Dual Pass Rough Cull System (DPRCS) for the collection and detection of the residue when the contaminated mail piece first enters a mail facility and before it is intermingled with other mail pieces. The system also utilizes aerosol chambers using at least two arrays of pinch rollers to provide for decreased incremental changes on mail pieces and decrease the likelihood of mail piece damage.
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Blumfelder William
Lybarger Brian
Matteoni Joseph
Nelgner William J.
Osterhorn Dennis
Engineered Support Systems Inc.
Lewis, Rice & Fingersh L.C.
Rogers David A.
Williams Hezron
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