RAM-BLAST
Filed: December 12, 1963
ROCK BITS
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 72182877
DUST HOG
Filed: May 15, 1978
DIGGING OR MINING TOOLS-NAMELY, DRILL BITS
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73170352
HUGHES
Filed: August 8, 1978
LUBRICANT OR GREASE IN A TUBE
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73182257
HUGHES X
Filed: October 23, 1978
Hardfacing Sold as a Component of Tool Joints and Drill Bits
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73190312
DUST HOG
Filed: January 29, 1979
Tool Bits for Drilling, Excavation and Mining Applications
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73201723
CENTRILIFT HUGHES
Filed: March 26, 1984
Cable and Surface Control Units for Electrical Submersible Well Pumps
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73472186
HUGHES ONCOR
Filed: January 31, 1986
OIL WELL DRILLING EQUIPMENT, NAMELY, DRILL COLLARS, SUBS, STABILIZERS, REAMERS, SHOCK ABSORBERS, DRILLING MOTORS, CASING…
Owned by: HUGHES TOOL COMPANY-USA
Serial Number: 73580631
