IP Library › Assignment 042372/0200
Patent Assignment
Reel/Frame 042372/0200

Merger and Change of Name

Recorded: 2017-04-28 Pages: 11
Assignors
LONKAR SERVICES LTD.
Executed: 2012-12-13
SCHLUMBERGER CANADA LIMITED
Executed: 2012-12-13
Assignee
SCHLUMBERGER CANADA LIMITED
125 - 9 AVENUE SE, CALGARY, T2G 0P6, CANADA
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 →
Assignment of Assignor's Interest May 22, 2017
From: SCHLUMBERGER CANADA LIMITED
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 042455/0415 →