IP Library › Assignment 042455/0415
Patent Assignment
Reel/Frame 042455/0415

Assignment of Assignor's Interest

Recorded: 2017-05-22 Pages: 2
Assignor
SCHLUMBERGER CANADA LIMITED
Executed: 2017-05-01
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property (1)
Gamma Radiation Spectral Logging System and Method for Processing Gamma Radiation Spectra
Patent: 7,482,578 →
Application: 11/451,063 →
Publication: US 2007/0284518
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 22, 2007
From: RANDALL, RUSSEL
To: LONKAR SERVICES LTD.
Reel/Frame 019328/0828 →
Merger and Change of Name Apr 28, 2017
From: LONKAR SERVICES LTD.; SCHLUMBERGER CANADA LIMITED
To: SCHLUMBERGER CANADA LIMITED
Reel/Frame 042372/0200 →