Patent Assignment
Reel/Frame 022109/0141
Assignment of Assignor's Interest
Recorded: 2009-01-15
Received: 2009-01-15
Pages: 4
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TX, 77032, UNITED STATES
Covered Property
(1)
Threaded Pipe Connection Having a Retainer Gasket with Pressure Relief Vents
Application:
10/235,421 →