A lantern and fuel system with a pump subassembly. The pump subassembly includes a beveled seat having an interior end with a cylindrical configuration constituting an interior guard with a first O-ring on the seat adjacent to the interior guard. The beveled seat has an exterior end with a cylindrical...http://www.google.com/patents/US6863526?utm_source=gb-gplus-sharePatent US6863526 - Lantern and fuel system
