Patent Assignment
Reel/Frame 035854/0023
Assignment of Assignor's Interest
Recorded: 2015-06-17
Pages: 6
Assignors
KARKOW, DOUGLAS W.
Executed: 2015-06-11
BREIDENTHAL, ROBERT
Executed: 2015-06-12
COLANNINO, JOSEPH
Executed: 2015-06-15
WIKLOF, CHRISTOPHER A.
Executed: 2015-06-11
Assignee
CLEARSIGN COMBUSTION CORPORATION
12870 INTERURBAN AVENUE S., SEATTLE, WASHINGTON, 98168
Covered Property
(1)
Burner with a Perforated Reaction Holder and Heating Apparatus
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 →