IP Library Assignment 038384/0257
Patent Assignment
Reel/Frame 038384/0257

Assignment of Assignor's Interest

Recorded: 2016-04-26 Pages: 3
Assignor
CHALIFOUX, GERALD V.
Executed: 2016-03-23
Assignee
PETROSPEC ENGINEERING LTD
275 PORTAGE CLOSE, SHERWOOD PARK, AB, T8H 2R5, CANADA
Covered Property (1)
Low-pressure method and apparatus of producing hydrocarbons from an underground formation using electric resistive heating and solvent injection
Application: 15/078,917 →
Publication: US 2017/0275979
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 30, 2018
From: PETROSPEC ENGINEERING LTD.
To: 1622525 ALBERTA LTD.
Reel/Frame 045933/0311 →
Change of Name May 30, 2018
From: 1622525 ALBERTA LTD.
To: PETROSPEC ENGINEERING INC.
Reel/Frame 046310/0647 →