PTECH Drilling Tubulars, LLC Trademarks
PTECH
Filed: September 11, 2012
Metal couplings for use with oil and gas drill pipes as a joint connector
Owned by: PTECH Drilling Tubulars, LLC
Serial Number: 85726046
PTECH+
Filed: September 11, 2012
Metal couplings for use with oil and gas drill pipes as a joint connector
Owned by: PTECH Drilling Tubulars, LLC
Serial Number: 85726065
