IP Library Assignment 025503/0076
Patent Assignment
Reel/Frame 025503/0076

Assignment of Assignor's Interest

Recorded: 2010-12-15 Pages: 5
Assignors
MCELHINNEY, GRAHAM A
Executed: 2010-12-01
MOORE, ROBERT A
Executed: 2010-12-01
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Property (1)
Methods for Improved Active Ranging and Target Well Magnetization
Patent: 9,238,959 →
Application: 12/962,058 →
Publication: US 2012/0139543
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →