IP Library Assignment 043573/0750
Patent Assignment
Reel/Frame 043573/0750

Assignment of Assignor's Interest

Recorded: 2017-09-13 Pages: 4
Assignors
LUKE, KAREN
Executed: 2014-11-07
BROWNLEE, DUANE KEVIN
Executed: 2014-11-07
Assignee
TRICAN WELL SERVICE LTD.
2900, 645-7 AVE SW, CALGARY, T2P 4G8, CANADA
Covered Property (1)
Microbial-Enhanced Well Cementing and Remediation
Patent: 9,809,738 →
Application: 14/536,430 →
Publication: US 2015/0122486
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Jun 2, 2022
From: FEDORA, BRADLEY P.D.
To: OLYMPIA TRUST COMPANY
Reel/Frame 060087/0101 →