IP Library › Assignment 029996/0642
Patent Assignment
Reel/Frame 029996/0642

Assignment of Assignor's Interest

Recorded: 2013-03-14 Pages: 3
Assignor
SANJEL LIMITED PARTNERSHIP
Executed: 2013-02-27
Assignee
SANJEL CANADA LTD.
200, 505 - 2ND STREET SW, CALGARY, T2P 1N8, CANADA
Covered Property (1)
Pumice Containing Compositions for Cementing a Well
Patent: 7,867,954 →
Application: 12/256,081 →
Publication: US 2009/0105099
Related Assignments (4)
Other recorded transfers of the patent 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 →
Security Interest Sep 22, 2014
From: SANJEL CANADA LTD.
To: ALBERTA TREASURY BRANCHES
Reel/Frame 033788/0307 →
Assignment of Assignor's Interest Sep 21, 2016
From: SANJEL CANADA LTD.
To: 1961531 ALBERTA LTD.
Reel/Frame 039821/0619 →
Change of Name Jan 6, 2017
From: 1961531 ALBERTA LTD.
To: SANJEL ENERGY SERVICES INC.
Reel/Frame 041275/0549 →