Optics: measuring and testing – By shade or color – With color transmitting filter
Reexamination Certificate
2006-02-08
2009-06-30
Evans, F. L (Department: 2877)
Optics: measuring and testing
By shade or color
With color transmitting filter
C250S458100
Reexamination Certificate
active
07554663
ABSTRACT:
The invention provides systems and methods for detecting aerosols. The systems and methods can be used to detect harmful aerosols, such as, bio-aerosols.
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Freidhoff Carl B.
Hairston Peter P.
Evans F. L
Northrop Grumman Corporation
Rothwell Figg Ernst & Manbeck P.C.
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