IP Library Assignment 038351/0046
Patent Assignment
Reel/Frame 038351/0046

Assignment of Assignor's Interest

Recorded: 2016-04-22 Pages: 4
Assignors
MARCHAND, NICHOLAS RYAN
Executed: 2008-05-29
PRILL, JONATHAN RYAN
Executed: 2008-05-29
Assignee
DRECO ENERGY SERVICES LTD.
3660 - 93RD STREET, EDMONTON, ALBERTA, T6E 5N3, CANADA
Covered Property (1)
Mechanism For Providing Controllable Angular Orientation While Transmitting Torsional Load
Patent: 9,518,428 →
Application: 13/933,087 →
Publication: US 2013/0284516
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 22, 2016
From: DRECO ENERGY SERVICES LTD.
To: DRECO ENERGY SERVICES ULC
Reel/Frame 038357/0090 →
Merger and Change of Name Aug 17, 2023
From: DRECO ENERGY SERVICES ULC; NOV CANADA ULC
To: NOV CANADA ULC
Reel/Frame 064630/0306 →