Patent Assignment
Reel/Frame 038355/0940
Assignment of Assignor's Interest
Recorded: 2016-04-22
Pages: 3
Assignors
COLANNINO, JOSEPH
Executed: 2016-03-10
KARKOW, DOUGLAS W.
Executed: 2016-03-10
WIKLOF, CHRISTOPHER A.
Executed: 2016-03-10
Assignee
CLEARSIGN COMBUSTION CORPORATION
12870 INTERURBAN AVENUE SOUTH, SEATTLE, WASHINGTON, 98168
Covered Property
(1)
Burner System Employing Multiple Perforated Flame Holders, and Method of Operation
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 30, 2020
From: CLEARSIGN COMBUSTION CORPORATION
To: CLEARSIGN TECHNOLOGIES CORPORATION
Reel/Frame 052268/0365 →
Corrective Assignment to Correct the Name Change from Clearsign Combustion Corporation, Seattle, Wa to Clearsign Technologies Corporation, Tulsa, Ok.. Previously Recorded at Reel: 052268 Frame: 0365. Assignor(S) Hereby Confirms the Change of Name.
Jul 27, 2022
From: CLEARSIGN COMBUSTION CORPORATION
To: CLEARSIGN TECHNOLOGIES CORPORATION
Reel/Frame 061176/0107 →