ROTARY DRILLING SERVICES, INC. Trademarks
NO STIK
Filed: January 24, 1963
SURFACE TENSION REDUCING ADDITIVES FOR OIL WELL DRILLING FLUIDS
Owned by: ROTARY DRILLING SERVICES, INC.
Serial Number: 72161376
KWIK SEAL
Filed: May 2, 1966
MIXTURE OF VEGETABLE FIBERS, SYNTHETIC FIBERS, CELLOPHANE FLAKES AND GRANULATED NUT SHELLS FOR ADDITION TO DRILLING FLUIDS…
Owned by: ROTARY DRILLING SERVICES, INC.
Serial Number: 72244742
ROTARY DRILLING SERVICES
Filed: May 24, 1978
OIL WELL DRILLING FLUID ADDITIVE
Owned by: ROTARY DRILLING SERVICES, INC.
Serial Number: 73171659
