IP Library Assignment 026240/0070
Patent Assignment
Reel/Frame 026240/0070

Assignment of Assignor's Interest

Recorded: 2011-05-06 Pages: 2
Assignor
Assignee
GASFRAC ENERGY SERVICES INC.
101 6 AVENUE SW, SUITE 850, CALGARY, AB, T2P 3P4, CANADA
Covered Property (1)
Volatile-Phosphorus Free Gelling Agents
Patent: 8,871,693 →
Application: 13/057,275 →
Publication: US 2011/0143971
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 3, 2011
From: COLLETT, CHRIS
To: MTS HOLDINGS INC.
Reel/Frame 026219/0777 →
Assignment of Assignor's Interest May 4, 2011
From: MTS HOLDINGS INC.
To: GASFRAC ENERGY SERVICES INC.
Reel/Frame 026227/0696 →
Security Interest Jul 24, 2014
From: GASFRAC ENERGY SERVICES INC.
To: PNC BANK CANADA BRANCH
Reel/Frame 033395/0370 →
Assignment of Assignor's Interest May 28, 2015
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES INC.
Reel/Frame 035731/0111 →
Corrective Assignment to Correct the the Assignee Name Previously Recorded at Reel: 35731 Frame: 111. Assignor(S) Hereby Confirms the Assignment. Nov 5, 2024
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES LTD.
Reel/Frame 069306/0639 →