DRILLING SPECIALTIES COMPANY Trademarks
DRISCOPIPE
Filed: September 16, 1963
PIPE
Owned by: DRILLING SPECIALTIES COMPANY
Serial Number: 72177017
DRISCON
Filed: January 15, 1965
PIPE CONDUIT AND COUPLINGS THEREFOR
Owned by: DRILLING SPECIALTIES COMPANY
Serial Number: 72210001
HE
Filed: May 29, 1985
POLYMER ADDITIVES FOR FORMATION TREATMENT TO ENHANCE OIL RECOVERY
Owned by: DRILLING SPECIALTIES COMPANY
Serial Number: 73540347
