Apparatus for and method of dispensing active materials
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United States of America Patent
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Nov 24, 2009
Grant Date -
Jan 18, 2007
app pub date -
Jun 29, 2006
filing date -
Apr 12, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for dispensing active materials comprises a housing and control circuitry disposed within the housing. The control circuitry implements programming for a mode of operation in which during a first period of time a first active material is emitted, during a second period of time the first active material and a second active material are emitted, and during a third period of time the second active material is emitted, wherein during the second period of time, the first and second fragrances are alternated.
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