IP Library Assignment 048789/0590
Patent Assignment
Reel/Frame 048789/0590

Assignment of Assignor's Interest

Recorded: 2019-04-04 Pages: 5
Assignor
CALLAGHAN, JONATHAN DOUGLAS
Executed: 2019-04-01
Assignee
DRECO ENERGY SERVICES ULC
6415 75 STREET NW, EDMONTON, T6E 0T3, 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.
Merger Nov 11, 2021
From: DRECO ENERGY SERVICES ULC
To: NOV CANADA ULC
Reel/Frame 058733/0334 →