Patent Assignment
Reel/Frame 075770/0687
Assignment of Assignor's Interest
Recorded: 2026-08-25
Pages: 3
Assignee
NORTHSTAR DRILLSTEM TESTERS
2700, 308-4TH AVENUE SW, CALGARY, ALBERTA, T2P 0H7, CANADA
Covered Property
(1)
Anti-Extrusion Assembly and a Sealing System Comprising Same