A breathing normalizer for partial insertion within the user's mouth for normalizing breathing patters, prevention of snoring, teeth grinding, and light forms of sleep apnea is disclosed. The device includes an outer plate which is positioned external to the user's mouth when in use, an elongated hollow...http://www.google.com.au/patents/US7137393?utm_source=gb-gplus-sharePatent US7137393 - Breathing normalizer apparatus