IP Library › Assignment 022415/0005
Patent Assignment
Reel/Frame 022415/0005

Assignment of Assignor's Interest

Recorded: 2009-03-18 Pages: 2
Assignors
FORDYCE, VICTOR
Executed: 2009-03-10
LOREE, DWIGHT
Executed: 2009-03-10
Assignee
GASFRAC ENERGY SERVICES INC.
101 - 6TH AVENUE SW, SUITE 850, CALGARY, ALBERTA, T2P 3P4, CANADA
Covered Property (1)
Proppant Addition System and Method
Patent: 8,276,659 →
Application: 12/345,531 →
Publication: US 2009/0183874
Related Assignments (3)
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 May 28, 2015
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES INC.
Reel/Frame 035731/0075 →
Corrective Assignment to Correct the Assignee’S Name on the Cover Sheet from Step Energy Services Inc. to Step Energy Services Ltd. Previously Recorded on Reel 35731 Frame 75. Assignor(S) Hereby Confirms the Assignment. Nov 5, 2024
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES LTD.
Reel/Frame 069333/0996 →