Gas and liquid contact apparatus – Fluid distribution – Pumping
Reexamination Certificate
2005-04-12
2005-04-12
Hopkins, Robert A. (Department: 1724)
Gas and liquid contact apparatus
Fluid distribution
Pumping
C261S078200, C261S104000, C261SDIG006, C427S069000
Reexamination Certificate
active
06877724
ABSTRACT:
A zero emmission device and method for delivering constant concentration of a vaporized substance allows for the regulated use of chemical or biological substances, such as calibrating, exposure or therapeutic substances.
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Alvarez David A.
Cranor Walter L.
Huckins James N.
Petty Jimmie D.
Robertson Gary
Homer Mark
The United States of America as represented by the Secretary of
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