IP Library › Assignment 026357/0019
Patent Assignment
Reel/Frame 026357/0019

Assignment of Assignor's Interest

Recorded: 2011-05-30 Pages: 4
Assignors
WU, AN-MING
Executed: 2003-11-28
BROCKHOFF, JAY
Executed: 2003-11-28
Assignee
MARQUIS FLUIDS INC.
SUITE 915, 706 - 7TH AVENUE SW, CALGARY, T2P 0Z1, CANADA
Covered Property (1)
Emulsified Polymer Drilling Fluid and Methods of Preparation
Patent: 8,293,686 →
Application: 13/118,523 →
Publication: US 2011/0230376
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 30, 2011
From: MARQUIS FLUIDS INC.
To: MARQUIS ALLIANCE ENERGY GROUP INC.
Reel/Frame 026357/0030 →
Change of Name Nov 20, 2015
From: MARQUIS ALLIANCE ENERGY GROUP INC.
To: SECURE ENERGY (DRILLING SERVICES) INC.
Reel/Frame 037151/0246 →