Assignment of Assignor's Interest

Recorded: 2015-10-28 Pages: 3

Assignor

GASFRAC ENERGY SERVICES INC.

Executed: 2015-04-02

Assignee

STEP ENERGY SERVICES LTD.

300, 505 3RD STREET, CALGARY, T2P 3E6, CANADA

Covered Property (1)

Liquified Petroleum Gas Fracturing System

Application: 14/152,857 →

Publication: US 2014/0124208

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.