IP Library › Assignment 039821/0545
Patent Assignment
Reel/Frame 039821/0545

Assignment of Assignor's Interest

Recorded: 2016-09-21 Pages: 3
Assignor
SANJEL CANADA LTD.
Executed: 2016-05-31
Assignee
1961531 ALBERTA LTD.
505 - 3RD STREET SW, SUITE 300, CALGARY, ALBERTA, T2P3E6, CANADA
Covered Property (1)
Oil and Gas Well Cement Systems Using Elemental Sulfur
Patent: 8,268,072 →
Application: 12/394,864 →
Publication: US 2009/0241803
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 8, 2012
From: MAHMOUDKHANI, AMIR H.; WARREDER, NEIL
To: SANJEL LIMITED PARTNERSHIP
Reel/Frame 028750/0261 →
Assignment of Assignor's Interest Mar 14, 2013
From: SANJEL LIMITED PARTNERSHIP
To: SANJEL CANADA LTD.
Reel/Frame 029996/0686 →
Security Interest Sep 22, 2014
From: SANJEL CANADA LTD.
To: ALBERTA TREASURY BRANCHES
Reel/Frame 033788/0307 →
Change of Name Jan 6, 2017
From: 1961531 ALBERTA LTD.
To: SANJEL ENERGY SERVICES INC.
Reel/Frame 041275/0549 →