Patent Assignment
Reel/Frame 033745/0731
Assignment of Assignor's Interest
Recorded: 2014-09-16
Pages: 4
Assignees
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU,, TOKYO, 100-8071, JAPAN
DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
10875 KEMPWOOD DRIVE,, SUITE 2, HOUSTON, TEXAS, 77043
Covered Property
(1)
Box Protector for a Threaded Joint for Pipes
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.