TONG PETROTECH CORP. Trademarks
FRACGUN
Filed: June 7, 2004
Power tools, namely, mine borers, reamers, burrs; Drilling machines and parts therefore; Oil refining machines; Petroleum…
Owned by: TONG PETROTECH CORP.
Serial Number: 78431363
FRACGUN
Filed: June 28, 2004
Technology research in the field of oil developing and refining; Providing quality assurance services in the field of oil…
Owned by: TONG PETROTECH CORP.
Serial Number: 78442721
