DRILCO INDUSTRIAL, INC. Trademarks
DI
Filed: January 22, 1988
POWER-OPERATED EARTH DRILLING TOOLS AND PARTS THEREFOR
Owned by: DRILCO INDUSTRIAL, INC.
Serial Number: 73707070
DUOTUBE
Filed: January 22, 1988
DUAL WALL DRILL PIPE USED WITH DRILLING EQUIPMENT
Owned by: DRILCO INDUSTRIAL, INC.
Serial Number: 73707102
BIT BUDDY
Filed: January 22, 1988
REPLACABLE SLEEVE STABILIZER FOR CONSTRUCTION DRILL EQUIPMENT
Owned by: DRILCO INDUSTRIAL, INC.
Serial Number: 73707103
