Environmental control apparatus Trademarks Filed in July 30, 1963
HEAT OF LIGHT
Filed: July 30, 1963
COOL AND WARM AIR MIXING UNIT FOR AIR CONDITIONING SYSTEMS
Owned by: BARBER-COLMAN COMPANY
Serial Number: 72174006
DURA-GLO
Filed: July 30, 1963
FIREPLACE
Owned by: DURA-VENT CORPORATION
Serial Number: 72174023
