Method of dispensing vapor to the air in a room and an apparatus for carrying out the method
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United States of America Patent
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Apr 21, 1987
Grant Date -
N/A
app pub date -
Jul 15, 1985
filing date -
Dec 9, 1983
priority date (Note) -
Expired
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Abstract
Method and apparatus to automatically dispense aromatic vapor to a desired area by causing the vapor to be evenly dispensed to the selected area over a pre-determined length of time. The vapor is circulated from the dispenser by a device to which the curent thereto is gradually increased as the vapor producing substance in the dispenser is dissipated.
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