IP Library Assignment 052732/0355
Patent Assignment
Reel/Frame 052732/0355

Assignment of Assignor's Interest

Recorded: 2020-05-22 Pages: 4
Assignors
KALANTARI, MASOUD
Executed: 2015-03-03
MARCHAND, NICHOLAS RYAN
Executed: 2015-03-03
Assignee
DRECO ENERGY SERVICES ULC
2900 MANULIFE PLACE, 10180 - 101 STREET, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Property (1)
Thread Profiles for Rotary Shouldered Connections
Application: 15/554,188 →
Publication: US 2018/0023611
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 →