Patent Assignment
Reel/Frame 033788/0307
Security Interest
Recorded: 2014-09-22
Pages: 37
Assignor
SANJEL CANADA LTD.
Executed: 2014-06-18
Assignee
ALBERTA TREASURY BRANCHES
600, 444- 7TH AVENUE S.W., CALGARY, ALBERTA, T2P 0X8, CANADA
Covered Properties
(3)
Pumice Containing Compositions for Cementing a Well
Oil and Gas Well Cement Systems Using Elemental Sulfur
Oil and Gas Well Cement Systems Using Elemental Sulfur
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 5, 2008
From: WARRENDER, NEIL; MAHMOUDKHANI, AMIR; HUYNH, NGA TU; SYLVESTRE, CHARLES
To: SANJEL LIMITED PARTNERSHIP
Reel/Frame 021932/0190 →
Assignment of Assignor's Interest
Aug 8, 2012
From: MAHMOUDKHANI, AMIR H.; WARRENDER, NEIL
To: SANJEL LIMITED PARTNERSHIP
Reel/Frame 028750/0388 →
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 029996/0642 →
Assignment of Assignor's Interest
Mar 14, 2013
From: SANJEL LIMITED PARTNERSHIP
To: SANJEL CANADA LTD.
Reel/Frame 029996/0686 →
Assignment of Assignor's Interest
Mar 14, 2013
From: SANJEL LIMITED PARTNERSHIP
To: SANJEL CANADA LTD.
Reel/Frame 029996/0689 →
Assignment of Assignor's Interest
Sep 21, 2016
From: SANJEL CANADA LTD.
To: 1961531 ALBERTA LTD.
Reel/Frame 039821/0638 →
Assignment of Assignor's Interest
Sep 21, 2016
From: SANJEL CANADA LTD.
To: 1961531 ALBERTA LTD.
Reel/Frame 039821/0619 →
Assignment of Assignor's Interest
Sep 21, 2016
From: SANJEL CANADA LTD.
To: 1961531 ALBERTA LTD.
Reel/Frame 039821/0545 →
Change of Name
Jan 6, 2017
From: 1961531 ALBERTA LTD.
To: SANJEL ENERGY SERVICES INC.
Reel/Frame 041275/0549 →