IP Library Assignment 034580/0081
Patent Assignment
Reel/Frame 034580/0081

Assignment of Assignor's Interest

Recorded: 2014-12-23 Pages: 2
Assignor
CHALIFOUX, GERALD V.
Executed: 2014-12-05
Assignee
PETROSPEC ENGINEERING LTD.
275 PORTAGE CLOSE, SHERWOOD PARK, T8H 2R5, CANADA
Covered Property (1)
Method and Apparatus for Installing and Removing an Electric Submersible Pump
Application: 14/576,957 →
Publication: US 2015/0101791
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 →