Patent Assignment
Reel/Frame 025503/0036
Assignment of Assignor's Interest
Recorded: 2010-12-15
Pages: 5
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Property
(1)
Electromagnetic Array for Subterranean Magnetic Ranging Operations
Application:
12/962,109 →
Publication:
US 2012/0139530
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.