Patent Assignment
Reel/Frame 047924/0691
Change of Address of Assignee
Recorded: 2018-11-05
Pages: 2
Assignor
ESS TECH, INC.
Executed: 2018-11-05
Assignee
ESS TECH, INC.
26440 SW PARKWAY AVENUE, WILSONVILLE, OREGON, 97070
Covered Property
(1)
Method and System to Maintain Electrolyte Stability for All-Iron Redox Flow Batteries
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 28, 2015
From: EVANS, CRAIG E.; SONG, YANG
To: ENERGY STORAGE SYSTEMS, INC.
Reel/Frame 034832/0550 →
Change of Name
Jul 18, 2016
From: ENERGY STORAGE SYSTEMS, INC.
To: ESS TECH, INC.
Reel/Frame 039383/0433 →
Security Interest
Jul 11, 2018
From: ESS TECH, INC.
To: SILICON VALLEY BANK
Reel/Frame 047816/0520 →
Confirmatory License
Jan 8, 2019
From: ESS TECHNOLOGY INC.
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 048025/0215 →
Release of Security Interest
Sep 17, 2019
From: SILICON VALLEY BANK
To: ESS TECH, INC.
Reel/Frame 050407/0752 →