IP Library Assignment 045866/0965
Patent Assignment
Reel/Frame 045866/0965

Assignment of Assignor's Interest

Recorded: 2018-04-06 Pages: 4
Assignor
PRILL, JONATHAN RYAN
Executed: 2015-03-12
Assignee
DRECO ENERGY SERVICES ULC
2900 MANULIFE PLACE, 10180-101 STREET, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Property (1)
Downhole Vibration Assembly and Method of Using Same
Application: 15/565,224 →
Publication: US 2018/0080284
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger and Change of Name Aug 17, 2023
From: DRECO ENERGY SERVICES ULC; NOV CANADA ULC
To: NOV CANADA ULC
Reel/Frame 064630/0306 →