IP Library › Assignment 031848/0954
Patent Assignment
Reel/Frame 031848/0954

Assignment of Assignor's Interest

Recorded: 2013-12-26 Pages: 3
Assignors
FORDYCE, VICTOR
Executed: 2013-12-10
PETERS, COLIN
Executed: 2013-12-11
Assignee
GASFRAC ENERGY SERVICES INC.
SUITE 1900, 801 - 6 AVENUE S.W., CALGARY, ALBERTA, T2P 3W2, CANADA
Covered Property (1)
Proppant Blender
Patent: 9,631,471 →
Application: 14/103,622 →
Publication: US 2015/0157995
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Jul 24, 2014
From: GASFRAC ENERGY SERVICES INC.
To: PNC BANK CANADA BRANCH
Reel/Frame 033395/0370 →
Assignment of Assignor's Interest Sep 10, 2015
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES LTD.
Reel/Frame 036530/0158 →
Confirmatory Assignment Mar 14, 2017
From: STEP ENERGY SERVICE (BVI) LTD.
To: STEP ENERGY SERVICES LLC
Reel/Frame 042008/0975 →
Sequence 1 of Assignment Previously Recorded on Reel 042008 Frame 0975 Nov 5, 2024
From: STEP ENERGY SERVICES LTD.
To: STEP ENERGY SERVICES (BVI) LTD.
Reel/Frame 070095/0865 →