Assignment of Assignor's Interest

Recorded: 2015-10-02 Pages: 3

Assignor

SMITH, CARL KEITH

Executed: 2011-08-05

Assignee

TECH-STAR FLUID SYSTEMS INC.

625, 404 - 6TH AVENUE SW (FORMERLY1110, 640 - 8TH AVENUE SW), CALGARY, T2P 0R9, CANADA

Covered Property (1)

Drilling Fluid and Methods

Application: 14/826,012 →

Publication: US 2016/0024368

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.