IP Library › Assignment 038707/0672
Patent Assignment
Reel/Frame 038707/0672

Change of Name

Recorded: 2016-05-24 Pages: 9
Assignor
DRECO ENERGY SERVICES LTD.
Executed: 2010-10-23
Assignee
DRECO ENERGY SERVICES ULC
2900 MANULIFE PLACE, 10180-101 STREET, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Property (1)
Mechanism for Providing Controllable Angular Orientation While Transmitting Torsional Load
Patent: 8,474,527 →
Application: 12/993,453 →
Publication: US 2011/0073372
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 18, 2010
From: MARCHAND, NICHOLAS RYAN
To: DRECO ENERGY SERVICES LTD.
Reel/Frame 025407/0977 →
Assignment of Assignor's Interest Dec 30, 2010
From: MARCHAND, NICHOLAS RYAN; PRILL, JONATHAN RYAN
To: DRECO ENERGY SERVICES LTD.
Reel/Frame 025557/0743 →