78485409
Sep 17, 2004
Nov 13, 2007
[ Wood, ] gas [, and pellet ] burning [ fireplace ] inserts in the nature of heat exchangers and [ solid ] and gas fuel burners; [ wood, ] gas, [ and pellet ] burning fireplaces; [ wood, ] gas [, and pellet ] burning stoves; [ electric fireplaces and fireplace inserts; ] and replacement parts therefor
Environmental Control Apparatus