Building construction and repair Trademarks Filed in October 18, 1967
STRATABLAST
Filed: October 18, 1967
FRACTURING OF SUBTERRANEAN FORMATIONS WITH EXPLOSIVES
Owned by: DOW CHEMICAL COMPANY, THE
Serial Number: 72282785
ZONETROL
Filed: October 18, 1967
TREATMENT OF SUBTERRANEAN FORMATIONS WITH AQUEOUS SOLUTIONS OF POLYMERS TO AID IN THE RECOVERY OF OIL
Owned by: SCHLUMBERGER TECHNOLOGY CORPORATION
Serial Number: 72282786
