RBI
Filed: January 22, 1992
oil field drilling machines and parts therefor; namely, drill bits
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 74239329
RBI
Filed: January 22, 1992
oil field drilling machines and parts therefor; namely, drill bits
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 74239475
LRG
Filed: May 27, 1993
power-operated drilling bits for use in the oil well drilling industry
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 74395780
A ROCK DESTRUCTION COMPANY
maintenance and repair of drill bits and drilling equipment in the field of oil field well drilling
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 77848780
ROCK DESTRUCTION
maintenance and repair of drill bits and drilling equipment in the field of oil field well drilling
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 77848791
ULTERRA ROCKBIT
Maintenance and repair of drill bits and drilling equipment in the field of oil field well drilling
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 77923828
ULTERRA
Oil field well drilling machines and parts therefor, namely, drill bits
Owned by: ULTERRA DRILLING TECHNOLOGIES, L.P.
Serial Number: 78702475
