IP Library Assignment 054455/0617
Patent Assignment
Reel/Frame 054455/0617

Assignment of Assignor's Interest

Recorded: 2020-11-24 Pages: 4
Assignors
STOIAN, STEFAN ALEXANDRU
Executed: 2009-11-10
SMITH, CARL KEITH
Executed: 2009-11-10
Assignee
TECHSTAR ENERGY SERVICES INC.
1110, 640 - 8TH AVENUE SW, CALGARY, T2P 1G7, CANADA
Covered Property (1)
Method for Making and Using a Drilling Fluid
Application: 17/101,445 →
Publication: US 2021/0071058
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 24, 2020
From: TECH-STAR FLUID SYSTEMS INC.
To: CANADIAN ENERGY SERVICES L.P.
Reel/Frame 054457/0066 →
Change of Name Nov 24, 2020
From: TECHSTAR ENERGY SERVICES INC.
To: TECH-STAR FLUID SYSTEMS INC.
Reel/Frame 054511/0761 →