Handheld sprayer with removable cartridge and method of using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 9, 2010
Grant Date -
Apr 10, 2008
app pub date -
Jun 26, 2006
filing date -
Jun 26, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cartridge for a handheld electrohydrodynamic (EHD) spraying device and a spraying device incorporating the cartridge. The cartridge is disposable, and can contain therapeutic products. The device includes a wetted lead screw with a compliant seal, where the placement of the seal relative to the screw inhibits leakage during both cartridge use and storage. A frame disposed within the cartridge acts as a load-transferring mechanism for the weight of the cartridge to a handle of the spraying device.
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