Patent Assignment
Reel/Frame 050221/0871
Assignment of Assignor's Interest
Recorded: 2019-08-30
Pages: 6
Assignors
KARKOW, DOUGLAS W.
Executed: 2019-08-07
COLANNINO, JOSEPH
Executed: 2019-08-08
WIKLOF, CHRISTOPHER A.
Executed: 2019-08-14
Assignee
CLEARSIGN COMBUSTION CORPORATION
12870 INTERURBAN AVENUE SOUTH, SEATTLE, WASHINGTON, 98168
Covered Property
(1)
Method for Operating a Combustion System Including a Perforated Flame Holder
Application:
16/518,733 →
Publication:
US 2019/0390854
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 →