An inhalation device configured to programmably emit small droplets of multiple components in which quantities of the multiple components can vary with each successive activation of the inhalation device....http://www.google.fr/patents/US6886557?utm_source=gb-gplus-shareBrevet US6886557 - Inhalation device and method for delivering variable amounts of different components
Inhalation device and method for delivering variable amounts of different ...
