An overhead ventilation hood for a ventilation system of a conventional cooking appliance. The hood includes a housing with a planar base surface and a recessed interior arrayed in a downwardly facing manner which is defined by a first side, a second spaced apart side, a first interconnecting end and...http://www.google.ca/patents/US6041774?utm_source=gb-gplus-sharePatent US6041774 - Overhead ventilation system for use with a cooking appliance
