Patent Assignment
Reel/Frame 032597/0696
Assignment of Assignor's Interest
Recorded: 2014-04-03
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:
14/244,365 →
Publication:
US 2014/0213489
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.