IP Library Assignment 058733/0334
Patent Assignment
Reel/Frame 058733/0334

Merger

Recorded: 2021-11-11 Pages: 25
Assignor
DRECO ENERGY SERVICES ULC
Executed: 2021-01-01
Assignee
NOV CANADA ULC
4300 BANKERS HALL WEST, 888 - 3RD STREET S.W., CALGARY, ALBERTA, T2P 5C5, CANADA
Covered Property (1)
System and Method for Offline Standbuilding
Application: 16/098,160 →
Publication: US 2019/0145197
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 4, 2019
From: CALLAGHAN, JONATHAN DOUGLAS
To: DRECO ENERGY SERVICES ULC
Reel/Frame 048789/0590 →