Environmental control apparatus Trademarks Filed in September 16, 1957
AAF
Filed: September 16, 1957
FORCED DRAFT PORTABLE LIQUID FUEL HEATERS FOR TEMPORARY INDOOR AND OUTDOOR HEATING, THAWING, AND DRYING PURPOSES
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 72037206
AUDIVENT
Filed: September 16, 1957
LARGE CAPACITY FORCED DRAFT HEATER-VENTILATOR UNITS
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 72037207
