Nonmetallic building materials Trademarks Filed in November 24, 1987
DIDOMUR
Filed: November 24, 1987
REFRACTORY MORTAR
Owned by: DIDIER-WERKE AG
Serial Number: 73697490
RUBINIT
Filed: November 24, 1987
REFRACTORY MIXES
Owned by: DIDIER-WERKE AG
Serial Number: 73697491