COMALCO LIMITED Trademarks
COMALCO PERMA-PROP
Filed: October 11, 1983
BAUXITE FOR USE AS A PROPPANT IN THE FRACTURING OF OIL AND GAS WELLS
Owned by: COMALCO LIMITED
Serial Number: 73447438
COMALCO DURA-PROP
Filed: October 11, 1983
BAUXITE FOR USE AS A PROPPANT IN THE FRACTURING OF OIL AND GAS WELLS
Owned by: COMALCO LIMITED
Serial Number: 73447439
