NOV NORTH AMERICA I/P, LLC Trademarks
DUALOY
Filed: June 17, 1971
PLASTIC PIPE AND PLASTIC PIPE FITTINGS
Owned by: NOV NORTH AMERICA I/P, LLC
Serial Number: 72395108
PRONTO-LOCK
Filed: November 16, 1971
MECHANICAL CONNECTOR FOR PIPE
Owned by: NOV NORTH AMERICA I/P, LLC
Serial Number: 72407787
QUICK-LOCK
Filed: November 16, 1973
FIBERGLASS-REINFORCED PLASTIC PIPE
Owned by: NOV NORTH AMERICA I/P, LLC
Serial Number: 73006554
CENTRON
Filed: August 25, 1977
FIBERGLASS PIPE SECTIONS
Owned by: NOV NORTH AMERICA I/P, LLC
Serial Number: 73138831
BLACKSTAR
Filed: December 20, 2001
downhole well drilling tools, namely electromagnetic measurement-while-drilling tools
Owned by: NOV NORTH AMERICA I/P, LLC
Serial Number: 76351887
