IP Library Assignment 028694/0251
Patent Assignment
Reel/Frame 028694/0251

Assignment of Assignor's Interest

Recorded: 2012-08-01 Pages: 3
Assignor
ZHANG, JUN
Executed: 2012-01-24
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Property (1)
Magnetic Ranging Tool and Method
Patent: 9,678,241 →
Application: 13/339,856 →
Publication: US 2013/0173164
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 →