IP Library › Assignment 063418/0494
Patent Assignment
Reel/Frame 063418/0494

Assignment of Assignor's Interest

Recorded: 2023-04-24 Pages: 5
Assignor
STONEWALL ENERGY CORP.
Executed: 2021-05-07
Assignee
GREAT NORTH EQUIPMENT INC.
8743 50 AVENUE NW, EDMONTON, ALBERTA, T6E 5H4, CANADA
Covered Properties (2)
Ball Launcher
Application: 15/622,640 →
Publication: US 2018/0002999
Surface Deploying Sleeve and Plug Launcher for an Oil or Gas Well
Application: 16/196,239 →
Publication: US 2019/0153795
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 19, 2017
From: JOHNSON, DARREN
To: STONEWALL ENERGY CORP.
Reel/Frame 042744/0795 →
Assignment of Assignor's Interest Feb 15, 2019
From: JOHNSON, DARREN
To: STONEWALL ENERGY CORP.
Reel/Frame 048341/0056 →