IP Library Assignment 019328/0828
Patent Assignment
Reel/Frame 019328/0828

Assignment of Assignor's Interest

Recorded: 2007-05-22 Pages: 4
Assignor
RANDALL, RUSSEL
Executed: 2007-04-25
Assignee
LONKAR SERVICES LTD.
8080 EDGAR INDUSTRIAL CRESCENT, RED DEER, ALBERTA, T4P 3R3, 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.
Merger and Change of Name Apr 28, 2017
From: LONKAR SERVICES LTD.; SCHLUMBERGER CANADA LIMITED
To: SCHLUMBERGER CANADA LIMITED
Reel/Frame 042372/0200 →
Assignment of Assignor's Interest May 22, 2017
From: SCHLUMBERGER CANADA LIMITED
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 042455/0415 →