IP Library Assignment 024957/0645
Patent Assignment
Reel/Frame 024957/0645

Assignment of Assignor's Interest

Recorded: 2010-09-08 Pages: 2
Assignor
CHALIFOUX, GERALD V.
Executed: 2010-09-07
Assignee
PETROSPEC ENGINEERING LTD.
5311 - 72A AVENUE, EDMONTON, ALBERTA, T6B 2J1, CANADA
Covered Property (1)
Method and Apparatus for Installing and Removing an Electric Submersible Pump
Patent: 8,915,303 →
Application: 12/877,940 →
Publication: US 2011/0308816
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 →