Environmental control apparatus Trademarks Filed in November 20, 1967
ELSAN

ELSAN

Filed: November 20, 1967
CHEMICAL TOILETS
Owned by: ELSAN LIMITED
Serial Number: 72285216

IN-STAL-EZE

IN-STAL-EZE

Filed: November 20, 1967
CENTRAL AIR CONDITIONING UNITS
Owned by: MCGRAW-EDISON COMPANY
Serial Number: 72285243

VIKO

VIKO

Filed: November 20, 1967
HOT WATER SUPPLY BOILERS
Owned by: VIKING SUPERIOR CORP.
Serial Number: 72285276