Building construction and repair Trademarks Filed in April 2, 1956
CEALMENT
Filed: April 2, 1956
WELL TREATING SERVICES-NAMELY, INJECTING CEMENT SLURRIES INTO WELLS AND UNDERGROUND EARTH FORMATIONS
Owned by: DOW CHEMICAL COMPANY, THE
Serial Number: 72005606
PETROJEL
Filed: April 2, 1956
WELL TREATING SERVICES-NAMELY, HYDRAULIC FRACTURING OF UNDERGROUND EARTH FORMATIONS WITH MIXTURES OF OIL AND SAND
Owned by: DOW CHEMICAL COMPANY, THE
Serial Number: 72005607
RIVERFRAC
Filed: April 2, 1956
WELL TREATING SERVICES-NAMELY, HYDRAULIC FRACTURING OF UNDERGROUND EARTH FORMATIONS
Owned by: DOW CHEMICAL COMPANY
Serial Number: 72005608
