Nonmetallic building materials Trademarks Filed in June 27, 1968
MULLITE XD
Filed: June 27, 1968
BURNED HIGH ALUMINA BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72301517
CORAL P -75-
Filed: June 27, 1968
UNBURNED CHEMICALLY BONDED BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72301519
