Patent Assignment
Reel/Frame 035978/0183
Assignment of Assignor's Interest
Recorded: 2015-06-19
Pages: 7
Assignors
KARKOW, DOUGLAS W.
Executed: 2015-04-24
COLANNINO, JOSEPH
Executed: 2015-06-15
BREIDENTHAL, ROBERT E.
Executed: 2015-04-24
WIKLOF, CHRISTOPHER A.
Executed: 2015-04-29
Assignee
CLEARSIGN COMBUSTION CORPORATION
12870 INTERURBAN AVENUE S., SEATTLE, WASHINGTON, 98168
Covered Property
(1)
POROUS FLAME HOLDER FOR LOW NOx COMBUSTION
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 →