An air scenting apparatus comprising; a chamber, the chamber having at least one air inlet aperture and at least one air outlet aperture; a fan arranged to draw air into the chamber through an inlet aperture and out via an air outlet aperture; and a vessel containing a scenting medium arranged to lie...http://www.google.fr/patents/US20050226788?utm_source=gb-gplus-shareBrevet US20050226788 - Air scenting apparatus
