IP Library › Assignment 033788/0444
Patent Assignment
Reel/Frame 033788/0444

SECURITY INTEREST

Recorded: 2014-09-22 Received: 2014-09-22 Pages: 37
Assignor
STONECREEK TECHNOLOGIES INC. S.A.
Executed: 2014-06-18
Assignee
ALBERTA TREASURY BRANCHES
600, 444- 7TH AVENUE S.W., CALGARY, ALBERTA, CAX, T2P 0X8, CANADA
Covered Applications (4)
RETRIEVABLE STIMULATION FRAC PLUG WITH BALL AND SEAT
App. No. 13/901,785
→
Apparatus and Method for Fracturing a Well
App. No. 13/643,977
→
APPARATUS AND METHOD FOR FRACTURING A WELL
App. No. 13/775,404
→
RETRIEVABLE STIMULATION FRAC (RSF) PLUG
App. No. 13/183,014
→