THERM-O-PUMP
Filed: October 12, 1973
ELECTRICAL TANK HEATER-TYPE ENGINE WARMING UNITS
Owned by: CAMBRIDGE CORPORATION
Serial Number: 73003455
CYCLONE
Filed: October 12, 1973
VENTILATION DUCTING COMPRISED OF RUBBER COATED FABRIC WITH WIRE HELIX SUPPORT
Owned by: HBD INDUSTRIES, INC.
Serial Number: 73003482
ULTRAFLEX
Filed: October 12, 1973
CORRUGATED DUCTING FOR VENTILATION SERVICE ONLY, CONSISTING OF FLEXIBLE FABRIC AND/OR PLASTIC TUBING HAVING AN INTERNAL…
Owned by: H.K. PORTER COMPANY, INC.
Serial Number: 73003484
FLEXKING
Filed: October 12, 1973
VENTILATION DUCTING COMPRISED OF RUBBERIZED FABRIC WITH WIRE HELIX SUPPORT
Owned by: HBD INDUSTRIES, INC.
Serial Number: 73003485
NEOFLEX
Filed: October 12, 1973
NEOPRENE RUBBER COATED FABRIC WIRE REINFORCED AIR AND FUME CONDUCTING DUCTING
Owned by: HBD INDUSTRIES, INC.
Serial Number: 73003486
