GRANT PRIDECO, LP Trademarks
SMOOTHX
Filed: October 23, 1978
Hardfacing Applied to Tool Joints Used in Earth Drilling
Owned by: GRANT PRIDECO, LP
Serial Number: 73190310
H-SERIES
Filed: October 18, 1991
tool joints and drill pipe for drilling oil and gas wells
Owned by: GRANT PRIDECO, LP
Serial Number: 74214579
H
Filed: October 29, 1991
drill pipe and associated tool joints used in drilling oil and gas wells
Owned by: GRANT PRIDECO, LP
Serial Number: 74216740
