Patent Assignment
Reel/Frame 043669/0360
Assignment of Assignor's Interest
Recorded: 2017-09-22
Pages: 2
Assignor
DRI FRAC TECHNOLOGIES LTD.
Executed: 2017-09-22
Assignee
WELLBORE ENERGY SALES LTD.
622-23 AVENUE SW, CALGARY, T2S 0J7, CANADA
Covered Property
(1)
Method for Fracturing Subterranean Rock